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065365751488ec92d4e7304bace090fb | if i get a gud branch at bits hyderabad tis year.. shall i take 2nd attempt 4 jee from.. ther ..or continue. ther ..in 5 yrs will t bcom equal to nit trichy??? | askiitians.com | 2021.21 | [
{
"text": "hi karthik , if you get a branch of your choice in bits hyd. you can go for it and if you think you can do bettter and you get time to prepare you can attempt for jee 2011 . in this manner you can save an year of yours in case you not able to make it to jee the come year as well . as about the ranking of bits hyd as compared to nit trichy after 5 years we can not comment as of now as it keeps on changing year by year depending on various parameters . feel free to post as many doubts you have we wud be happy to help. all the best !!! anshul",
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93ae83b75f305fc47306ffe7e173dfd5 | please tell me what is eml and how is it different from iit | askiitians.com | 2021.43 | [
{
"text": "dear rajeev, apart from the various merit lists [i.e., the common merit list (cml), the category (sc, st, obc) and sub-category (pd) merit lists, and preparatory (for sc, st, and pd) merit lists], jee also prepares extended merit lists (eml) under different categories, by making some relaxation in the aggregate cut-off. for jee-2009, the lengths of the extended merit lists are six times the lengths of the corresponding jee merit lists. the candidates appearing in the eml are not eligible for admission into iits, it-bhu, and ismu, and will not be called for counselling of jee-2009. the eml is provided to other institutions (see the table below) for the purpose of admission in these institutions. these institutions have about two thousand seats in total for various courses offered by them. candidates declared qualified in the eml, who are desirous of admission to these institutions, must apply to these institutions directly for admission. for all other details regarding the courses, application procedure, fees, etc., the candidates are advised to contact /visit the respective institutions/websites. the list of institutions that will be using the eml of jee-2009 is given below. the list may be updated time to time. list of institute website address indian institute of space science and technology http://www.iist.ac.in indian institute of space science and technology thiruvananthapuram - 695 022 indian institute of science education and research mohali http://www.iisermohali.ac.in/ iiser mohali mgsipa complex sector-26 chandigarh-160019 pune http://www.iiserpune.ac.in/ iiser pune 900 ncl innovation park dr. homi bhabha road pune-411008 kolkata http://www.iiserkol.ac.in/ iiser kolkata hc-vii, sector-iii salt lake kolkata-700106 bhopal http://www.iiserbhopal.ac.in/ iiser bhopal iti (gas rahat) building, govindpura bhopal - 462 023 thiruvananthapuram http://www.iisertvm.ac.in/ iiser thiruvananthapuram cet campus thiruvananthapuram - 695016 rajiv gandhi institute of petroleum technology society (rgipt) http://www.rgipt.in/ rajiv gandhi institute of petroleum technology, ratapur chowk, rae bareli-229001 (u.p.) noida office address c/o bpcl office, a-5 & 6, sector-1, noida?201301, u.p. indian institute of maritime studies (merchant navi) http://iims.dgshipping.com/ indian institute of maritime studies c/o lal bahadur shastri college of advanced maritime studies and research hay bunder road mumbai-400033 all the best !!",
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|
18946ea6c55abf323972ad3b8e10ba3d | if y = 1/(1+x^n-m + x^p-m )+ 1/(1+x^m-n + x^p-n) + 1/(1+x^m-p + x^n-p) then dy/dx | askiitians.com | 2021.43 | [
{
"text": "let y=u+v+w. and then use log for each term and proceed.",
"name": "",
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},
{
"text": "basically anish singhal’s answer is wrong. we need to realise that y=1 and therefore dy/dx=0 but how is y=1? 1/(1+x^n-m + x^p-m)=x^m/(x^m+x^n+x^p) 1/(1+x^m-n + x^p-n)=x^n/(x^m+x^n+x^p) 1/(1+x^m-p + x^n-p)=x^p/(x^m+x^n+x^p) so, adding we get y=(x^m+x^n+x^p)/(x^m+x^n+x^p) or y=1 so dy/dx=0",
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f82f21388cd768b3ece260f48cbc0893 | x^2+y^2=1/4 and (x+1/2)^2+y^2+z^2=1...then how does one get from second equation -1<=z<=1.. | askiitians.com | 2021.31 | [
{
"text": "hello darshana your question is not clear...please make it more clear what to find out (x+1/2)^2+y^2+z^2=1 this is equation of a sphere...with limitation on z as given by -1 <= z <=1 and x^2 + y^2 = 1/4 is equation of a circle ... now what to do ? i will post the solution after u make it clear okk ! regards yagya askiitians\\_expert",
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f20e86e75fd962558db55e1d81a531b7 | of the members of three games in a school 21 play a game 26 play b game 29 play c game. 14 play a&b 15 play b&c 12 play a&c and 8 play all the three games how many members are there in all | askiitians.com | 2021.43 | [
{
"text": "check the image below",
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}
] |
|
dd0f1131ee373276ad9109d5caa4bb3f | what will be scoring topics in jee advance maths | askiitians.com | 2021.31 | [
{
"text": "following are generally the scoring topics. straight lines. complex no. permutation and combination. probability. definite integration. vectors. arun kumar iit delhi askiitians faculty",
"name": "",
"is_accepted": false
}
] |
|
978a907d425a65891f003bc3f538a1e2 | the value of the integral ∫ x cos x. dx is=? please show me answer for my posted question...!!! | askiitians.com | 2021.39 | [
{
"text": "you can solve by integration by parts ∫ u.vdx = u∫vdx − ∫ [(du/dx)*∫vdx]dx ∫ x cosxdx = x sin x − ∫ (1)*(sin x) dx = xsin x + cosx + c. hope it clears. if you like answer then please approve it.",
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|
403cf747c7cf649e08fb22a7ecbb7d32 | question is attached in the pic.. {all p-4 ch-16 pg-35 q8} | askiitians.com | 2021.39 | [
{
"text": "4 pi 35 / 5 is your answer. the sign between each term is multiplication. google for the definitions of the terms.",
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2183e267fc88161bab2957f7edcaabab | is there a study plan that i can adopt for 2 years from now to crack aiims entrance. i am in class 11 and i belong to cbse board. i would like to have a study plan without going to classroom but online coaching. lease help me with a study plan for 2 yrs. | askiitians.com | 2021.31 | [
{
"text": "hi. i appreciate your eagerness for the plan so that u can spend the coming two years properly. as you told you r not interested in any classroom teaching, the online teaching sessions can be very useful for you. they will help you to be tunned up with your studies. since you are in class 11, so the things might be very much new to you, but if you are determined enough, i will suggest you to study daily atleast for 5-6 hours for the competitive point of view. try to cover up all the topics by doing a number of questions..",
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|
f8eacdc7aba92903e0c7b71ec033f381 | what are meteor showers ? | askiitians.com | 2021.25 | [
{
"text": "when the earth crosses the tail of the comet, swarms of meteors are seen, known as meteor showers.",
"name": "",
"is_accepted": false
}
] |
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5b9feedb42e76d6c32db7507db7de365 | a soft iron bar is introduced inside a current carrying solenoid. the magnetic field inside the solenoid (a) will become zero. (b) will increase. (c) will decrease. (d) will remain unaffected. | askiitians.com | 2021.31 | [
{
"text": "answer: b",
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}
] |
|
62163388e4e20c04212b67018f32cec4 | what is the least size of the antennae for radiating wave of wavelength lamda? | askiitians.com | 2021.25 | [
{
"text": "the least size of the antennae for radiating wave of wavelength lambda is one-fourth of the wavelength that is, lambda/4 . hope you understand my solution . all the best..",
"name": "",
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}
] |
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08b263988c1a96a307bb6a7a5fb78a83 | question 3:state two experiences that made you think that air exerts pressure (other than those given in the text) | askiitians.com | 2021.31 | [
{
"text": "answer: we have experienced that when we blow a balloon, the balloon becomes tight. if we try to fill more air, then the balloon will burst after an extent. this happens because air exerts pressure. we have also experienced the movement of fringes of windows and doors of our houses when wind blows in a high speed. this also happens because air exerts pressure.",
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654999cbdcf1c432cab68d7e91da4d01 | a sphere of mass m is at rest on a rough horizontal surface. the coefficient of friction between the ground and sphere is u. then, max value of f so that the sphere will not slip is?? | askiitians.com | 2021.31 | [
{
"text": "let a force f is applied at a distance r from the center ... friction force will be in foreward direction for translational motion f - f =ma ..........1 for rotational motion fr - fr = i(alfa) ..........2 (r is radius of sphere) for no slipping a = (alfa)r & i sphere = 2mr 2 /5 fr - fr = 2mar/5 .................3 from 1 & 3 f = f(5r - 2r)/3r ......4 for rolling , f < or = umg f(5r-2r)/3r = umg f= 3umgr/(5r-2r) this value of force is maximum .......",
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43013a663be3df8d24d8ba058883b97a | sir i am good at mathematics and physics but whenver i learn many thing i forget some concepts of previous topics.so what strategy should i follow .solving many books? or solve 1 or2 books many times? | askiitians.com | 2021.21 | [
{
"text": "i think u shud solve few buks many tym......so dat wateva concpts ur learning 4m dose buks will b strengthend as many tyms u'll solve 'em!!!ol d bes",
"name": "",
"is_accepted": false
},
{
"text": "you should solve few books many times. so as to build up your concepts more stronger..",
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}
] |
|
5a4c31b94aef59afb93d3cd2d31a2606 | √3cosθ+sinθ=√2 pls find out gen sol of this equation hope reply will soon come thanking you ….................... | askiitians.com | 2021.43 | [
{
"text": "dear satyam on dividing by 2 in lhs and rhs cos (theta - (pi/6)) = cos (pi/4) now theta - (pi/6) = 2n(pi) +- (pi/4) now you are able to solve it. regards arun (askiitians forum expert)",
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] |
|
1f3c21b63da0463851a76d3d4a81f93f | suggest me some good engineering collages for solar and nano technology.......... | askiitians.com | 2021.25 | [
{
"text": "dear student, list of nanotechnology colleges in india: amity institute of nanotechnology (aint), noida( uttar pradesh ) biosys biotech lab & research centre, chennai( tamil nadu ) indian institute of science : center of excellence in nanoelectronics (cen), bangalore maulana azad national institute of technology (manit), bhopal( madhya pradesh ) national institute of technology (nit), rourkela( orissa ) university of madras : school of physical science, guindy( tamil nadu ) amritha centre for nanosciences (acns), kochi( kerala guru jambheshwar university of science & technology : dept. of bio-nano technology, hisar jamia millia islamia (a central university), new delhi( delhi ) national institute of technology (nit), kurukshetra( haryana ) please feel free to ask your queries here. we are all iitians and here to help you in your iit jee preparation. all the best. win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. now you score 5+15 points by uploading your pic and downloading the askiitians toolbar respectively : click here to download the toolbar.. askiitians expert sagar singh b.tech, iit delhi",
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220da44bc486d4fb3d94d8c0f3b94e26 | find out the source of water in your region/locality. is water from this source available to all people living in that area? | askiitians.com | 2021.39 | [
{
"text": "dear student the source of water in our region is municipality, supply of water and from under ground i.e. ground water. theft is scarciity of water during summer, season and most people don't have access to water. thanks",
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}
] |
|
2a7761e0713db9ff27aec15b9b058883 | what is meant by 'doping' in a semiconductor? | askiitians.com | 2021.21 | [
{
"text": "in semiconductor production, doping intentionally introduces impurities into an extremely pure (also referred to as intrinsic) semiconductor for the purpose of modulating its electrical properties two of the most important materials silicon can be doped with, are boron (3 valence electrons = 3-valent) and phosphorus (5 valence electrons = 5-valent). there is basically two types of doping viz. n and p doping. n-doping the 5-valent dopant has an outer electron more than the silicon atoms. four outer electrons combine with ever one silicon atom, while the fifth electron is free to move and serves as charge carrier. p-doping in contrast to the free electron due to doping with phosphorus, the 3-valent dopant effect is exactly the opposite. the 3-valent dopants can catch an additional outer electron, thus leaving a hole in the valence band of silicon atoms. therefore the electrons in the valence band become mobile. the holes move in the opposite direction to the movement of the electrons.",
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|
02f92184ebd29395027b1436162dc1c1 | what is the difference between molar conductivity and molar conductance? | askiitians.com | 2021.31 | [
{
"text": "dear sreya, molar conductivity is defined as the conductivity of an electrolyte solution divided by the molar concentration of the electrolyte, and so measures the efficiency with which a given electrolyte conducts electricity in solution. its units are siemens per meter per molarity, or siemens meter-squared per mole. the usual symbol is a capital lambda, λ, or λm. the molar conductance is defined as the conductance of all the ions produced by ionization of 1 g mole of an electrolyte when present in v ml of solution. it is denoted by . molar conductance μ = k ×v .... (vii) where v is the volume in ml containing 1 g mole of the electrolyte. if c is the concentration of the solution in g mole per litre, then μ = k × 1000/c it units are ohm -1 cm 2 mol -1 . equivalent conductance = (molar conductance)/n where n = (molecular mass)/(equivalent mass)",
"name": "",
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},
{
"text": "the conductivity will be raised by increasing the concentration but in the high concentration because of the coulomb interaction and formation of the ion pairs the conductivity will be decreased. meanwhile, the molar conductivity will be decreased by increasing the concentration and in the higher concentration, the graph will experience the constant molar conductivity.",
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|
7bb0701aec5b1953c1ff80694e4dc810 | sir, my marks in jee-2011 are 218. eml cut off is 203. but the result shows i'm not qualified. when will it be updated? plz help me.... | askiitians.com | 2021.43 | [
{
"text": "dear supreeth, that will be displayed with ur marks. best of luck..!!!! plz approve the answer....!! we are all iitians and here to help you in your iit jee preparation. now you can win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. now you score 5+15 points by uploading your pic and downloading the askiitians toolbar : click here to download the toolbar.. aman bansal",
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e6570679163455e02df1c136343261ad | which branch is best in iit kanpur and which is best in iit delhi i have got air160 i dont want to go by last yrs open-close rankings but want to choose a good branch | askiitians.com | 2021.39 | [
{
"text": "dear v, the best branch at iitk is comp. sc. on the basis of previous records of their placement and the best branch at iitd is mechanical engineering, its best all over india. the proffessors here in this department are quite intellectual and maximum of them have done their degree from good colleges around the globe. there is always a lot of option for you to do here in mechanical. there are around 10 - 12 clubs in this department robocon. formula 1 and others. it serves as agood option to carry these things and get exposed throughout india and the world. i personally feel that it is the best option to pursue. thank you",
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|
04a150554de12aae2e1e3b3f7056348d | what was cutoff for sc last year. what may be this year...... | askiitians.com | 2021.31 | [
{
"text": "dear chandu, this year cut-off is already out and thats 119 best of luck..!!!! plz approve the answer....!! we are all iitians and here to help you in your iit jee preparation. now you can win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. now you score 5+15 points by uploading your pic and downloading the askiitians toolbar : click here to download the toolbar.. aman bansal",
"name": "",
"is_accepted": false
},
{
"text": "dear student, last year cut off for sc was 103...this year its 119",
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}
] |
|
42ef53a017313948a3dacbc05179047f | explain the meaning of the term : conservation of water | askiitians.com | 2021.31 | [
{
"text": "conservation of water is the means of preventing wastage of water so that clean water can be obtained by preventing pollution of water and by protecting the sources of water.",
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] |
|
052962012f80b3e6660547495a5ee5a5 | aspartame produces 4 kilocalories of energy per gram when metabolized, sucrose (table sugar) produces 3.9 kilocalories. however, aspartame is approximately 200 times sweeter than sucrose, so it is consumed inaspartame produces 4 kilocalories of energy per gram when metabolized, sucrose (table sugar) produces 3.9 kilocalories. however, aspartame is approximately 200 times sweeter than sucrose, so it is consumed in much smaller doses. much smaller doses. | askiitians.com | 2021.31 | [
{
"text": "dear student, the above statement is correct,aspartame is one of the most rigorously tested food ingredients, aspartame is an artificial non-saccharide sweetener 200 times sweeter than sucrose, and is commonly used as a sugar substitute in foods and beverages. it is a methyl ester of the aspartic acid/phenylalanine dipeptide with the trade names nutrasweet, equal, and canderel. aspartame was first made in 1965 and approved for use in food products by the u.s. food and drug administration (fda) in 1981",
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c47e02fb632be787a2a2271b1630871e | dear sir, what will be the rank for a score of 175 in aieee 2011 ? b.vijaya | askiitians.com | 2021.21 | [
{
"text": "dear bapu vijaya, here is the expected cutoffs for aieee 2011. last year too their expected cutoff for aieee 2010 was 100% correct, hope this time also, also these cutoffs are also nearly same as predicted by resonance coaching. comments awaiting. courtsey : askiitians.com expected rank predictor aieee - 2011 marks rank range 0 – 25 9,50,000 to 5,40,000 26 – 40 5,40,000 to 2,90,000 41 – 60 2,90,000 to 1,60,000 61 – 74 1,60,000 to 92,200 75 – 81 92,200 to 75,000 82 – 92 75,000 to 60,000 93 – 100 60,000 to 50,000 101 – 110 50,000 to 41,000 111 – 120 41,000 to 35,000 121 – 126 35,000 to 29,000 127 – 135 29,000 to 25,000 136 – 142 25,000 to 20,500 143 – 149 20,500 to 17,500 150 – 159 17,500 to 14,500 160 – 168 14,500 to 12,200 169 – 174 12,200 to 10,200 175 – 185 10,200 to 8,500 186 – 193 8,500 to 6,700 194 – 199 6,700 to 5,500 200 – 207 5,500 to 4,400 208 – 214 4,400 to 3,500 215 – 225 3,500 to 2,700 235 – 244 2,700 to 1,600 245 – 259 1,600 to 1,000 260 – 279 1,000 to 500 > 280 above 500 to 1",
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9a25956d56d61f3d0dc925639c3cc20a | how reactivity selectivity principle is to be applied in case of n-butane by reacting it with cl and what is the yield of product | askiitians.com | 2021.31 | [
{
"text": "dear student, the reactivity–selectivity principle or rsp states that a more reactive chemical compound or reactive intermediate is less selective in chemical reactions. in this context selectivity represents the ratio of reaction rates. please feel free to ask your queries here. we are all iitians and here to help you in your iit jee preparation. all the best. win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. now you score 5+15 points by uploading your pic and downloading the askiitians toolbar respectively : click here to download the toolbar.. askiitians expert sagar singh b.tech, iit delhi",
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5e991b2be19d7ff026fb1e085312d34c | a mass m, attached to a horizontal spring executing s.h.m with amplitude a1. when themass m passes through its mean position then a smaller mass m is placed over it andboth of them move together with amplitude a2. the ratio of 12aa???????? is? | askiitians.com | 2021.21 | [
{
"text": "dear student the ratio of 12aa ??? please attach the image of the question regards",
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{
"text": "total energy of string being stretched = e = 1/2kx² energy of string with amplitude = e = 1/2k (a1)² e is also the kinetic energy m is the mean position as e is the independent mass so, energy remains the same so it will be a1 = a2 or 1: 1",
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}
] |
|
df4887ea63e05b0af7173a49485bfb58 | why not the muscles present inside the bone and kidney | askiitians.com | 2021.31 | [
{
"text": "dear student please ask complete question or attach image of the question regards",
"name": "",
"is_accepted": false
},
{
"text": "dear student bone is hard , so muscles are not present inside , but it is present outside bone , and after it is covered with the fat part of body. hope this helps good luck",
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96fdc285b02b9737616031385989a8d3 | i got 2977 in iit 2010.. i wnt 2 take mechanical/electrical plz suggest me a suitable iit | askiitians.com | 2021.43 | [
{
"text": "dear akshay, congrates for selection! all the iits are good .. but your order of preference should be iit -bombay>iit kanpur >iit d>iit kharagpur.. click the link below link for opening and closing rank of iit : http://www.askiitians.com/iits-2009-2010-opening-and-closing-rank.aspx please feel free to post as many doubts on our disucssion forum as you can. we are all iitians and here to help you in your iit jee preparation. all the best. askiitians expert vijay luxmi",
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cfcc0b9751e02e385328a22c990f73a7 | square wire frame is made of uniform wires with each side being 0.2 meters long, as shown in the below figure. here, only the left half of the square is placed in a uniform magnetic flux density perpendicular to the page. the resistance is 10 ω and assume that the conductor joining the two ends of the resistor is ideal. when the magnetic flux density increases by 10 wb/m2 per second, determine the direction and magnitude of the current i flowing through the resistor. | askiitians.com | 2021.31 | [
{
"text": "direction is upward according to lenz law emf generates is 10* 0.2*0.1 = 0.2 ( area is half of total area) therefore current is 0.2/10 =0.02",
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|
07502f9b967dd9f95e8ec7f6018d51c7 | for real x, let f(x) = x3 + 5x + 1, then - ? | askiitians.com | 2021.21 | [
{
"text": "f(x) = x 3 + 5x + 1 f'(x) = 3x 2 + 5 so, f is one-one function note that one one functions are those who gives only one value of y at a particular value of x thanks",
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|
657e0fd7f291a08efa7d79bd2ddc5976 | 79. name the method by which hydra reproduces. is this method sexual or asexual? [foreign 2016] | askiitians.com | 2021.31 | [
{
"text": "answer: explanation: hydra reproduces by budding. it is an asexual method.",
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] |
|
08ca2a7083de66518e0249ccdcd44135 | what are anastigmatic lenses? | askiitians.com | 2021.31 | [
{
"text": "an anastigmatic lensis aphotographic lenscompletely corrected forspherical aberration,coma, andastigmatism. early lenses often included the wordanastigmatin their name to advertise this new feature. all modern photographic lenses are close to being anastigmatic.",
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78224d7c4da0d3411474c293f9ccafef | in a single cast with 2 dice, the odds against drawing 7 is? a)1/6 b)1/12 c)5:1 d)1:5 answer is given as (c) plz explain | askiitians.com | 2021.43 | [
{
"text": "dear chilikuri first calculate cases of getting 7 (1,6),(2,5),(3,4),(4,3),(5,2),(6,1), out of 6*6=36 cases so add against=(36-6)/6=5:1 all the best. akash goyal askiitiansexpert-iitd please feel free to post as many doubts on our discussion forum as you can. we are all iitians and here to help you in your iit jee preparation. win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. now you score 5+15 points by uploading your pic and downloading the askiitians toolbar respectively : click here to download the toolbar..",
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|
c9503d0be7d43370d8cdc2fe9e58bd22 | i have to 2 rotatimg machines, that rotates when air blows,, if one machine has a greater radius,,, and same wind blows over the machines,,, then which one will have greater revolutions per min.!?????? pls help!!!! | askiitians.com | 2021.25 | [
{
"text": "according to me,the machine which have less radius have greater revolution per min.... because as the radius increases,moment of inertia increases since, moment of inertia is inversely proportional to angular velocity(at constant torque) so,,,, the machine which have less radius have greater angular velocity & have greater revolution",
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f0fbf04a865762e7cd6d70847c450e1d | a square of side 4 units is divided into four equal squares. the square portion abch is removed and placed over hcde. what is the new centre of mass of the system. the orginal body thickness and density is uniform | askiitians.com | 2021.21 | [
{
"text": "dear m.sai mass is not moved along the x axix so for new center of mass x co ordinate will remain same as earlier and for y co ordinate of new center of mass let mass of each part is m ,center of mass of each part of square lies at their center length of each side of small square is 2 unit y= [ m*1 +m*(-1) +m*(-1) +m*(-1)]/(m+m+m+m) =-1/2 so new center of mass (0,-1/2) please feel free to post as many doubts on our discussion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee & aieee preparation. all the best. regards, askiitians experts badiuddin",
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] |
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0767e340da01175bf9303c6e662cccf4 | the figure shows the network of resistance in which pojnt a is earthed. find the current across 3ohm | askiitians.com | 2021.31 | [
{
"text": "dear student the potential at point b is -2v . because the potential at point a = 0 the potential at point d will be = -2+8 = 6 v r = 3 ohm current will be = (6-0)/3 = 2a current will be from d to a .",
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] |
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02f192979ed2a0c0c84eb48df4a2d3ea | sir, i am getting 145marks in iit 2010..... is there any chance of getting any iit?if not, what could be my eml rank? | askiitians.com | 2021.21 | [
{
"text": "dear student, pls check opening and closing rank of college and branch that you want to take admission in on their official website",
"name": "",
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}
] |
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dcd0cbcb0d2ab6fc4f4f13f63033e192 | sir what to choose 1.biotechnology at iit guwahati,roorke 2.engineering physics at iit guwahati,hyderabad, 3.agriculture at kharagpur, 4.system science at iit jodhpur, 5.metallurgy at roorke,varanasi 6.petroleum eng with mtech at ism, 7.applied mathematics at iit roorke or 8.cse at mnnit allahabd. what is the scope and average salary of applied mathematics at iits? | askiitians.com | 2021.25 | [
{
"text": "hi,applied mathematics has a great scope these days and it is the top branch among all the imsc branches. placement opportunities are great and people are paid very nicely. also petroleum engineering promises a lot pf money. and if you are an it job person you can go for cse. out of these, the branch which you choose should be the one you are interested in.thanks and regardsapoorva aroraiit roorkeeaskiitians faculty",
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},
{
"text": "metallurgical and material sciences at iit roorkee is a good option for you if you want the iit tag.ism dhanbad is not a great institute(it’s not an iit yet).the infrastructure isn’t very good either.eventhough msc maths at iit roorkee is pretty great what it does not give you is a b.tech degree.don’t opt for nits either.join iit.do an mba later.",
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}
] |
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bacca2d4a5d9b3f6069c3ef97fc24c9c | why is lithium iodide covalent??? i want to know what is the relation of hydration enthalpy with lattice enthalpy and atomic size???? | askiitians.com | 2021.43 | [
{
"text": "the large size of iodine exerts a more polarising power to lithium as compared to fluorine and thus has more covalent character than fluorine.fluorine more over has high electronegativity. so the electro-static force of attraction between li and f is very high and high enough to hold the two atoms together so firmly",
"name": "",
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}
] |
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004fc279d4929d1d2ad87ec2240af9df | my aieee state rank is 5147(obc) .can i get mnnit allahabaad on home state quota????????? air 31320(obc) | askiitians.com | 2021.25 | [
{
"text": "yes probably you will get biotech or production engineering also by 6th round of internal sliding",
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}
] |
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ab9d64a2002cf986277b1d36af7235df | i need all imp. questions related to sex. also i would like to get the imp. topics related to reproductive health. | askiitians.com | 2021.39 | [
{
"text": "dear student the imp topics for reproductive health are 1- all the methods of fertilisation , like iut , zift , gift , ai , etc . they are quite imp 2- about the drug “ saheli “ developed by cdri , all details of that 3- major drawbacks of traditional method like coitus interruptus , lactational ammnenorhia , etc .. 4- mtp and its period , year of passing mtp act by govt . hope it clears regards",
"name": "",
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},
{
"text": "umankant biswal had answered clearly but i want to add few more topics as he left topics of human reproduction for that chapter go for male reproductive system,menstrual cycle and its hormones, details at last page of ncert text regarding parturition,lactation etc. and topics like capacitaton and decapacitiation of sperms regards sahil",
"name": "",
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}
] |
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71b16799e7470e269fccb6a6c1b143a5 | the “eyes” of the potato tuber are 1. axillary buds 2. root buds 3. flower buds 4. shoot buds | askiitians.com | 2021.25 | [
{
"text": "sol: axillary buds developing at nodes/notch/eyes. answer: (1)",
"name": "",
"is_accepted": false
},
{
"text": "dear student a tuber is swollen or oval underground modified stem lacking adventurous roots. it has a number of spirally arranged depressions called eyes. each eye represents a node axillary buds developing at nodes/notch/eyes. i hope this answer will help you. thanks & regards yash chourasiya .",
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}
] |
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05db6c8787c0903a0e05125b2fa3c886 | what is is geometric centre of a mirror why it is called as? | askiitians.com | 2021.25 | [
{
"text": "the point at which the principal axis touches the surface of the mirror is called the vertex. the point , on the principal axis, which is equidistant from all points on the reflecting surface of the mirror is called the centre of curvature.",
"name": "",
"is_accepted": false
},
{
"text": "dear student i will talk in sense of geometric centre of spherical mirror. the geometric centre of a spherical mirror is called its pole. the centre of the hollow sphere for which the mirror is a part, is called the centre of curvature. the line joining the centre of curvature and the pole is the principal axis. a light ray incident on a spherical mirror, after reflection appears to pass through the principal focus in the case of a convex mirror and passes through the focus in the case of concave mirror. the diameter of the spherical mirror gives the measure of its aperture. hope this helps good luck",
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}
] |
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8610b1caf11959b8b3a490846e1139ba | prove that the sum of above written series is (1+2x)/(1+x+x^2) | askiitians.com | 2021.25 | [
{
"text": "weight of ti=0.75 x 48=36 &wt of oxygen=16 total weight of tio=36+16=52 16 minimum value of percent by weight of oxygen=------- x 100=30.76 52 weight of ti=0.69 x 48=33.12& wt of oxygen=16 total weight of tio=33.12 + 16= 49.12 16 maximum value of percent by weight of oxygen=-------- x 100=32.57 49.12 remaining part of this problem can be solved by above method.",
"name": "",
"is_accepted": false
}
] |
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f2ed427e1d67e4ed1dd40ab868911592 | a solenoid and a bulb is connected with d.c source. how the brightness of the bulb will be affected if an iron rod is inserted inside the solenoid? | askiitians.com | 2021.31 | [
{
"text": "no change in brightness because current is steady.so there will not be any back emf.brightness will be same in both case.",
"name": "",
"is_accepted": false
}
] |
|
c14c99b78dafe10c408d5dd1a8f6e40d | would spacetime consist of a network of loops of matter-energy-information? | askiitians.com | 2021.21 | [
{
"text": "dear student please attach the image of the question regards",
"name": "",
"is_accepted": false
}
] |
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89d75a03ef9107569f2cf5cc880ba396 | 26 ml of co2 is passed over red hot coke .the volume of co involved is | askiitians.com | 2021.31 | [
{
"text": "the reaction would be: co2 + c -------------> 2co 26 ml v/2 v = 52 ml. this simply mole analysis in terms of volume. rather than directly on moles. as the information is not provided the reaction takes place at stp or ntp.",
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}
] |
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8f92c477f016fc7aea8793f7fd259f6d | i live in delhi. if i am getting the same branch in dtu and a top nit, which one should i pick?? | askiitians.com | 2021.25 | [
{
"text": "hi , both are very good and reputed engineering collages... but if you will get same branch in both thn i wud advise you for dtu...dtu is a highly reputed college and the sudy environment is perfect there... and also placement will not be a problem , the dce tag will help you gain very good placements in non-core it sector !! for your furhter studies dce will make a better profile than nit... please feel free to post as many doubts on our disucssion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee preparation. all the best.",
"name": "",
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] |
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88abbe90024d69d08868bb4398fa943c | 230 joule were spent in lifting a 10 kg weight to a height 2 m .calculate the acceleration with which it was raised .take g=10m/s2 | askiitians.com | 2021.43 | [
{
"text": "by conservation of energy, the energy spent in doing the work=change in ke + change in pe therefore, 230=10 x 2 x 2 + 0.5 x 10 x v 2 230=40+5v 2 v 2 =190/5 =38m/s now,v 2 =2as a=38/4 =9.5 m /s 2",
"name": "",
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},
{
"text": "according to mechanical energy conservation :- 230 = 1/2*10*v^2 + 10 * 10 * 2230-200= 5v^2v^2 = 2as6/2*2=a= 1.5m/s^2",
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}
] |
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82b4fe4766d520bc26d72db402029ecb | please rank in terms of placement roorkee cse kharagpur cse iit kanpur electrical | askiitians.com | 2021.43 | [
{
"text": "kgp cse>roorkee cse>kanpur electrical. please choose the branch that you love by looking at what each branch will allow you to do. placements are useless. they are temporary. if you really want good career growth take the dept of your liking. electrical infact has much more use than cs in industries. cs can be learnt even after you finish electrical, as we guys use it a lot to do our electrical projects. but if you love cs go for it. cs kgp is better than cs roorkee. but you cant compare 2 different branches. dont suffer by taking a branch that you dont like. for a given branch, compare institutes, and not the other way around. one guy took cs thinking it gives good placements. he finally realized that he loved mechanical a lot, and suffered for 4 years, after which he took an mtech in mech. hes doing very well in singapore. so please think abut the stream first and then college. all the best",
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}
] |
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28eaad8d7d44a1e4473ebacf3a464f14 | i am in class11 i an weak in math and i want to crack iit advance my school timing is 7 -10 i have dont join coaching due to financial condition can anybody make timetable for of plz . | askiitians.com | 2021.39 | [
{
"text": "7-10 in which school are you ??? by the way if it’s 7-10 you have much time to prepare and if it’s 7-1 there’s also a lot;s of time for you.. don’t worry you will crack jee your time table is here : : so case 1: 7-10 : take your lunch after the school and then at 11 am start your studies.. 11am – 1pm : maths (1/2 hour school revision and 1:30 hour jee preparation..) reference book recommended for jee prep. is errorless in mathematics by universal publications.if you can’t afford it you can take a second hand book and if then also it’s not affordable leave it practise your ncert but more than your classmates . 1pm-3pm : physics (1 hour for school and ½ hour for mains and ½ for advanced) reference books : dc pandey or hc verma and s.l. arora(for passing in school exams). 3pm-6pm : chemistry (1 ½ hour for school & 1 ½ hur for jee) reference books : rc mukherjee,pradeep,modern abc you can rest a while from 6-7 pm 7-9 pm : chemistry (only jee) 10-11 : maths (jee ) 11-12 : physics(school level) now,you need a great sleep and after that you are ready to repeat the same. case 2 : 7-1pm school take your lunch after the school and then at 2pm start your studies.. 2pm – 4pm : maths (1/2 hour school revision and 1:30 hour jee preparation..) reference book recommended for jee prep. is errorless in mathematics by universal publications.if you can’t afford it you can take a second hand book and if then also it’s not affordable leave it practise your ncert but more than your classmates . 3pm-5pm : physics (1 hour for school and ½ hour for mains and ½ for advanced) reference books : dc pandey or hc verma and s.l. arora(for passing in school exams). 5pm-7pm : chemistry (1 hour for school & 1 hr for jee) reference books : rc mukherjee,pradeep,modern abc you can rest a while from 7-8 pm 8-9 pm : chemistry (only jee) 10-11 : maths (jee ) 11-12 : physics(school level) now,you need a great sleep and after that you are ready to repeat the same.",
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] |
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23a7e995a04595575f75db01189dbb6e | is cn meta directing or o/p directing?? also can you name a few other than this of same category? | askiitians.com | 2021.25 | [
{
"text": "hi there.. cn is a meta directing group... some others in this category are ,cooh,coor, cf3, no2,cho, cor etc..",
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}
] |
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b2a5a63937e17456f71d5fc325af78c1 | the three sets of elements are given below: b,al,ga, be b,al,ga,ge b,al, th,rh which of the above contains groups of elements whose properties are similar in many respects to group is elements? a.ii b. i c. iii d. i and ii | askiitians.com | 2021.21 | [
{
"text": "b. 1 bcoz be and al shows diagonal relationnship due to high charge density and high polarising power approve if useful",
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] |
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6bce9c60f5df5e76cb1c09d97f9adcdd | what should be taken away from 3x 2 – 4y 2 + 5xy + 20 to obtain – x 2 – y 2 + 6xy + 20? | askiitians.com | 2021.39 | [
{
"text": "dear student let us assume a be the required term then, 3x^2–4y^2+ 5xy + 20–a = -x^2–y^2+ 6xy + 20 a = 3x^2–4y^+ 5xy + 20–(-x^2–y^2+ 6xy + 20) a = 3x^2–4y^2+ 5xy + 20 + x^2+ y^2–6xy–20 a = 3x^2+ x^2–4y^2+ y^2+ 5xy–6xy + 20–20 a = 4x^2–3y^2–xy thanks",
"name": "",
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}
] |
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0066ee1161823ea6181f4da5a35a85f3 | an electromagnetic wave of freq = 3.0 mhz passes from vaccum into dielectric medium with permittivity e= 4.0 then : a) wavelength is doubled and frequency remains same , b) wavelength is doubled and frequency becomes half c) wavelength is halved and frequenc remains unchanged d) both remain unchanged | askiitians.com | 2021.21 | [
{
"text": "when an electromagnetic wave passes through a medium , then frequency remains unchanged. the speed of electromagnetic wave inside a medium is given by, v=(1/µe)0.5where,µ is permeability of the medium and e is permittivity of the medium. in the above question the permeability is not given , hence if we consider the permeability of medium to be same as that of vacuum, then vspeed of electromagnetic wave falls by a factor of 2. as frequency remains unchanged,wavelength falls by a factor of 2. speed=wavelength x frequency",
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}
] |
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8593822d0f7446cf720511ef1ebeb1ae | hello, in this question: let f be a function from set a to set b for a set, x subset b define f-1(x) = |x element a: f(x) subset x|. then which of the following is necessarily true for a subset u of x? im confused about what it is asking and the notation. for example, i dont understand what f would be in this case. | askiitians.com | 2021.39 | [
{
"text": "as the options are not available, question seems incomplete. though i can help you with the understanding of the question with an example: f: a→b such that y€b. then, f -1 {y}= { x€ a : f(x) = y}. this means thatf-1{y} is the set of pre-images of y eg. question. let f: r→r be a function given by f(x)=x 2 +1. find f -1 {26} sol. letf-1{26}=x then f(x)=26 x2+1= 26 x= +or- 5 f-1{26}={-5,5}",
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] |
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97b0e8d5755719e36239dceef4ccdec7 | halo sir, i hav undrstud the basics of coulomb's law clearly bt stil i dont knw why i am nt being able to solve the problems involving extended bodies,plz help!!!!!! | askiitians.com | 2021.25 | [
{
"text": "dear roli, you need to practise a lot starting from the basic questions and then tougher one. best of luck plz approve the answer...!!!! cracking iit just got more exciting,it’s not just all about getting assistance from iitians, alongside target achievement and rewards play an important role. askiitians has it all for you, wherein you get assistance only from iitians for your preparation and win exciting gifts by answering queries in the discussion forums. reward points 5 + 15 for all those who upload their pic and download the askiitians toolbar, just a simple click here to download the toolbar…. so start the brain storming…. become a leader with elite expert league askiitians thanks aman bansal askiitian expert",
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8f56e9707572283784a48ee7aab70625 | my jee rank is 8000 and aieee rank is 3800 what are the best options for me | askiitians.com | 2021.43 | [
{
"text": "choose iit...because whenever anybody ask you from where you do engeenring.. you are feel proud to say i am an iitian.. don't see the ranks.. it was just a satisfation .. but iit is iit.. you are in iit.. gud luck and choose iit..",
"name": "",
"is_accepted": false
},
{
"text": "dear zahid its very difficult to get a seat in iits with this rank.but you will get a seat in it bhu and ismu dhanbad. i think this will the best option available for you depending upon your performance please feel free to post as many doubts on our discussion forum as you can. we will get you the answer and detailed solution very quickly. all the best. regards, askiitians experts badiuddin",
"name": "",
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}
] |
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1b0989f6de1c03dd8a1c12987b6c6d7a | the size of the pupil becomes\_\_\_\_\_\_\_ when you see in dim light. | askiitians.com | 2021.25 | [
{
"text": "dear student the size of the pupil becomes large when you see in dim light. thanks",
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}
] |
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055efa4228220dd0895e510ff980cefa | consider an electron in the nth orbit of a hydrogen atom in the bohr model. the circumference of the orbit can be expressed in terms of de-broglie wavelength of that electron as | askiitians.com | 2021.21 | [
{
"text": "(d) the circumference of an orbit in an atom in terms of wavelength of wave associated with electron is given by the relation, circumference = nl where, n = 1,2,3, ……………………",
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}
] |
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c73b8868a3d895f6fde219d3abe7e3b3 | if a point (x,y)=(tant+sint, tant-sint) , then the locus of (x,y) is? | askiitians.com | 2021.21 | [
{
"text": "dear student, x = tant + sint y = tant – sint adding the two eq, sint = (x+y)cost / 2 putting this in eq 1 , cost = (x – y ) / (x+y) and sint = (x – y ) /2 now use identity sin^2 (t) + cos^2 (t) = 1 cheers!! regards, vikas (b. tech. 4 th year thapar university)",
"name": "",
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}
] |
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1fd1e8d4efe89442b3c32c790ddb365c | a mass m is suspended from a spring of negligible mass. the spring is pulled a little and then released so that the mass executes shm of time period t. if the mass is increased by m the time period becomes 5t/3 then the ratio of m/m is. | askiitians.com | 2021.21 | [
{
"text": "kindly post it in physics forum",
"name": "",
"is_accepted": false
}
] |
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f50f95e8dd433b985f0a29cc478bc4a7 | stability of the species li, li2(-) and li2(+) increases in the order of: | askiitians.com | 2021.39 | [
{
"text": "li2+ > li > li2- will be the order of stability as stability is directly proportion to bond order",
"name": "",
"is_accepted": false
},
{
"text": "bond order of li2 is 1 while li2- and li2+ is o. 5so li2 is more stable among 3 ,now in li2- and li2+ we have to check antibonding electron,, less antibonding more stability. hence li2+ contain 2 antibonding, li2- contains 3 antibonding. hence li2+>li2-so finally li2>li2+ >li2-",
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}
] |
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11f7104f9e334a7398569b298f2a0bc8 | (inner product) the inner product is given by f(x)g(x) dx on the interval [-1,1]. 1 -1 = ∫ how to explain that ＞=0. if you can give me an example, it would be much appreciated. thank you. | askiitians.com | 2021.25 | [
{
"text": "dear student question is posted inappropriate. please check and repost this. you can also attach an image. i will be happy to help you.",
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}
] |
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fb22b8517ba82cbabeb892ec996ef3e0 | how many types of cytochromes are involved in the thylakoid electron transport chain five two six four | askiitians.com | 2021.39 | [
{
"text": "energy obtained through the transfer of electrons (blue arrows) down the etc is used to pump protons (red arrows) from themitochondrial matrixinto the intermembrane space, creating an electrochemical proton gradient across the mitochondrial inner membrane (imm) called δψ. this electrochemical proton gradient allows atp synthase (atp-ase) to use the flow of h+through the enzyme back into the matrix to generate atp fromadenosine diphosphate(adp) andinorganic phosphate. complex i (nadh coenzyme q reductase; labeled i) accepts electrons from thekrebs cycleelectron carrier nicotinamide adenine dinucleotide (nadh), and passes them to coenzyme q (ubiquinone; labeled q), which also receives electrons from complex ii (succinate dehydrogenase; labeled ii). uq passes electrons to complex iii (cytochrome bc1complex; labeled iii), which passes them tocytochromec(cytc). cytcpasses electrons to complex iv (cytochromecoxidase; labeled iv), which uses the electrons and hydrogen ions to reduce molecular oxygen to water. so two types of cytochromes are involved.",
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] |
|
afb8e18f1bb1e8681a4476e7a17ceef1 | how is metallurgy with mtech in ceramics and composites in iitb should i take it or go for 2nd allotment. | askiitians.com | 2021.43 | [
{
"text": "it is a very good branch. you should take it if you are ready to stick to it. plus you will definitely get offer from companies after a course in iitb. please feel free to post as many doubts on our discussion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee preparation. do approve if the answer helps you. now you can win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian. regards, askiitians experts rahul- iit roorkee",
"name": "",
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] |
|
818a5b342671e4b738097ea96e1092e0 | how is oxygen and carbon dioxide transported in human beings? | askiitians.com | 2021.31 | [
{
"text": "dear student oxygen is carried by haemoglobin present in the rbc of the blood, carbon dioxide is soluble in water and hence is transported by the blood in dissolved form. thanks",
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"is_accepted": false
}
] |
|
e14f2b6a91539a91702c1c11f5e3b595 | correct order of ie 3 for li, be, b, c will be :- (1) b (2) c (3) li (4) be | askiitians.com | 2021.43 | [
{
"text": "li-1s 2 2s 1 c-1s 2 2s 2 2p 2 b-1s 2 2s 2 2p 1 be-1s 2 2s 2 order will be be>li>c>b hope you will find my answer helpfull for any queries plz contact",
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] |
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e366f8bdb82e6191af9790b43c045675 | i m getting 186 in jee with rank around 6000-7000 according to this site's rank calculator nd 225 in aieee.will i get sm appreciable branch in old iits?would it be better choice of opting for new iits instead of takin adm. through aieee?will new iits start working as their contemperaries till our graduation?eagerly waitin fr ur valuable suugestions... | askiitians.com | 2021.31 | [
{
"text": "hi , with this rank, your chances are that you can make it to iits ... but may not get the branch of your choice .. but i ll advise you to join the old iits as the new iits are not as developed ... so its not a good idea to go there .. nits are better thn new iits new iits will definatly start working as their contemperaries but it will take time.. new iits are already under the mentership of old iits ..but in terms of placemnts and infrastructure , they are not so established...so acc to me ..ur order of priority shud be old iit > nits > old iits please feel free to post as many doubts on our disucssion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee preparation. all the best.",
"name": "",
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}
] |
|
de2287fa6fe624f93e10e4b7253b5b9f | give a simple possible argument to suggest that an accelerated charge must emit electromagnetic radiation. | askiitians.com | 2021.31 | [
{
"text": "dear student an electric charge can produce electric as well as magnetic field which very with time and are perpendicular to each other. these time varying fields, mutually perpendicular to each other will produce a disturbance which can travel through a space in the form of e.m. wave. regards",
"name": "",
"is_accepted": false
}
] |
|
289acb2a58830c81fbe5dfcb44fddbd2 | i got aieee rank 33000 in b.arch which college can i get through aieee or any free seat ?? | askiitians.com | 2021.43 | [
{
"text": "dear sreosi, at your rank you may get admission in some private college for b arch. best of luck cracking iit just got more exciting,it’s not just all about getting assistance from iitians, alongside target achievement and rewards play an important role. askiitians has it all for you, wherein you get assistance only from iitians for your preparation and win exciting gifts by answering queries in the discussion forums. reward points 5 + 15 for all those who upload their pic and download the askiitians toolbar, just a simple click here to download the toolbar…. so start the brain storming…. become a leader with elite expert league askiitians thanks aman bansal askiitian expert",
"name": "",
"is_accepted": false
},
{
"text": "hi, 1) you will have state quota for your state. so please apply in your state thank you",
"name": "",
"is_accepted": false
},
{
"text": "pls tell me the name of the colleges also and should i wait for the spot round?",
"name": "",
"is_accepted": false
}
] |
|
143e84f7d547d27e6c55b9e5c35bf107 | a particle of mass 0.3 kg is subjected to a force f= -kx with k=15n/m. what will be its initial acceleration if it is released from a point x=20cm? | askiitians.com | 2021.21 | [
{
"text": "given,m=0.3kg k=15n/m x=20cm=0.2m f= -kx=ma a=-kx/m =-(15*0.2)/0.3 = -10m/s^2",
"name": "",
"is_accepted": false
}
] |
|
25104896799d074a0922d42cc59c9cac | find the expression for the energy stored in the capacitor | askiitians.com | 2021.25 | [
{
"text": "the energy stored in a capacitor is the work done by the battery. v = q/c, the work done to move a charge element dq from the -ve plate to the +ve plate = v dq, where v = v(capacitor)",
"name": "",
"is_accepted": false
}
] |
|
e626af77a22f5c1b4842c4e3d78aea5f | what is a circuit ? | askiitians.com | 2021.21 | [
{
"text": "a path through which current flows.",
"name": "",
"is_accepted": false
}
] |
|
fc18b06f6c06b8b128ab52ba75845940 | is chemical engineering in iit bhu a good branch for placements.....bcz i m getting an air of 992-sc.....plz...tell me some vaible branches to opt for in any gud iit | askiitians.com | 2021.25 | [
{
"text": "congrats! placement of iit bhu chemical is quite good. you can take chemical at iit guwhati & hyderabad, textile/biotech at iit d & other decent branches at old iits. and you can get core branches at new iits. good luck! thanks & regards jitender singh iit delhi askiitians faculty",
"name": "",
"is_accepted": false
},
{
"text": "in 3854 rank which brach i will get",
"name": "",
"is_accepted": false
}
] |
|
a96405cf010f6747bbe25aa417bc8e99 | in one of his many action movies jackie chan jumped off a building by wrapping a rope around his waist and then allowed it to unwind as he fell to the ground, much the same as a yo-yo assuming his acceleration toward was a constant much less than g, the tension in the rope would be (a) almost equal to his weight. (b) exactly equal to his weight, (c) much less than his weight, (d) exactly zero. (see who am i starring jackie chan.) | askiitians.com | 2021.43 | [
{
"text": "the correct option is: .(a) almost equal to his weight when the jackie chan of acceleration, fell to the ground, he possesses two kinds one is the angular acceleration and the other is the linear acceleration. the angular acceleration is provided by the tension in the string and the frictional force between the rope and the jackie chan. linear acceleration, on the other hand, result from the difference between the weight of jackie chan and the tension in the rope. if the tension in the rope is comparable to the weight of jackie chan, the downward linear acceleration would be smaller in comparison to acceleration due to gravity. therefore if the tension in the rope is comparable to the weight of jackie chan, only then the acceleration of jackie chan would be much lesser than g. hence (a) is the correct option and the rest are ruled out.",
"name": "",
"is_accepted": false
}
] |
|
f1fb60853ac3c4afe487833ce291d49b | sir what about admission in esic medical colleges | askiitians.com | 2021.31 | [
{
"text": "dear student, for that you have to qualify in pre-medical entrance test that is conducted by cbse brochure can be found here esic.nic.in/recruitment/cir\\_med-201213.pdf thanks",
"name": "",
"is_accepted": false
}
] |
|
ff53bd094d42a60233f75fac27c9b182 | a ball thrown down from a balcony land in 0.8s at the speed of13m/s find the initial velocity | askiitians.com | 2021.39 | [
{
"text": "v=u +at velocity and gravity in same direction ( considering downward direction as positive) a=g=10m/s^2 13=u+10×0.8 u=5 m/s",
"name": "",
"is_accepted": false
}
] |
|
c1446a712104a21530a783870651d188 | why does the inertial mass of an object change when the velocity of the object reaches the velocity of light . | askiitians.com | 2021.43 | [
{
"text": "dear student, the mass at speeds close to the speed of light follows the rest mass concept. hence for , , so that the mass m is finite. regards sumit",
"name": "",
"is_accepted": false
}
] |
|
c5cdcdd276ef7e1b6a11d51f4baaaecb | 1kg of ice at -20'c is mixed with 2kg of water at 90'c. assuming that there is no energy loss to the environment what will be the final temp of the mixture? latent heat of ice =334.4kj/kg specific heat of water and ice are 4.18kj/kg k and 2.09kj/kgk resp | askiitians.com | 2021.31 | [
{
"text": "dear student m i s i t + m i l + m i s w (t-0) = m w s w (90 -t) 1 * 2.09 *20 + 1 * 334.4 + 1 *4.18 * t = 2 * 4.18 * (90 -t) t = 60 - 3p = 30 °c regards arun (askiitians forum expert)",
"name": "",
"is_accepted": false
}
] |
|
8752526622be7937bf1c6e6a0e255fe9 | sir i desperately want to join fiitjee coaching classes of pinnacle but its fees is huge and it is to be paid at twice
so is there any remedies that i can pay the fees in 5 to 6 installments please sir answere fast... | askiitians.com | 2021.25 | [
{
"text": "no .",
"name": "",
"is_accepted": false
}
] |
|
00118dc0176cb800cf156886fa574abd | sin78°-sin18°+sin30°-sin42°. value of this trigonometry from chapter 5 | askiitians.com | 2021.21 | [
{
"text": "sin78-sin18+sin30-sin42=sin78-sin42-sin18+sin30=2cos(120/2).sin18-sin18+sin30=2cos60.sin18-sin18+sin30=(2×1/2).sin18-sin18+sin30=sin18-sin18+1/2=1/2",
"name": "",
"is_accepted": false
}
] |
|
30249d5f1a29616478bd56c1ecd6423a | can u give the order of preference for ece and cse among nit trichy and nit warrangal? | askiitians.com | 2021.39 | [
{
"text": "i would ask u to go for nit w at first follwed by trcihy and surathkal for ece and cse all the best -- regards ramesh now you can win exciting gifts by answering the questions on discussion forum. so help discuss any query on askiitians forum and become an elite expert league askiitian",
"name": "",
"is_accepted": false
}
] |
|
22a775caa5cfb29c350124de8ab53138 | a vessel has 4 litres and 500 ml of curd. in how many glasses, each of 25 ml capacity, can it be filled? | askiitians.com | 2021.39 | [
{
"text": "dear student quantity of curd in the vessel = 4 l 500 ml = 4×1000 + 500 = 4500 ml capacity of 1 glass = 25 ml ∴number of glasses that can be filled with curd = 4500 / 25 = 180 glasses hence, 180 glasses can be filled with curd thanks",
"name": "",
"is_accepted": false
}
] |
|
ac6e19b753ed80578009b59294962f9f | the least distance of distinct vision for a young adult with normal vision is about (a) 25 m. (b) 2.5 cm. (c) 25 cm. (d) 2.5 m. | askiitians.com | 2021.21 | [
{
"text": "dear student option (a) is correct here. thanks",
"name": "",
"is_accepted": false
}
] |
|
bb8973994e311bfa31a4dbbbf5f49ece | a river 4 miles wide is following at rate of 2 miles/hr . the minimum time taken by a boat to cross the river with a speed v = 4 miles / hour (in still water ) is approximately | askiitians.com | 2021.43 | [
{
"text": "for minimum time the velocity in direction of motion shoud be maximum. and since speed of river is perpendicular hence have no influence on time taken to cross it. now for maximum speed boat should move perpendicular to flow of river hence tme = distance ÷ speed = 4÷4=1hr please do approve my answer",
"name": "",
"is_accepted": false
}
] |
|
63648ecc738ff427dd28e8e001145052 | i m pursuing bsc in biotechnology from jmi delhi what are the various entrances that i must apply for post graduation?what will be a better subject to opt for msc ? will i get placed after doing msc in biotechnology/biological science from?what salary package i must get after msc | askiitians.com | 2021.43 | [
{
"text": "@ anusha yes , u must choose msc in biotech , as changing the branch now will; affect you a lot as far as placement are concerned . so, better to stay in the current branches , and obviously every branch have their own value , so, take biotech , biological sci donot have that much of demand currently than biotech. and about the salry package , u are currently in a reputed institution , so, the package will not be that much prob for you , even company like glycosmith , dabur can give you high package as far as biotech are concerned . hope it helps all the best",
"name": "",
"is_accepted": false
}
] |
|
25c73834ed68cc9169b9ec194b8ab5e2 | solution for the voltage regulator question that appeared on 11 april 2014 jee main ? | askiitians.com | 2021.43 | [
{
"text": "i am not able to interpret your query. you need to write down the problem in the space provided clearly so that i can provide you the meaningful answer. thanks and regards apoorva arora iit roorkee askiitians faculty",
"name": "",
"is_accepted": false
}
] |
|
f37f0b11adbab557e1435931d7d173d9 | two equal parabolas have the same vertex and their axes are at right angles. prove that their common tangent touches each at the end of their latus rectum. solution please. | askiitians.com | 2021.39 | [
{
"text": "dear ravi, ans: the parabolas are y²=4ax & x²=4ay. the tangent of the first parabola at a point (a,-2a) i.e at the one end of the latus rectum is y= x+a putting this value at the other equation we get, it cuts the other parabola at the point (-2a,a) i.e at the extremity of the latus rectum. hence prooved. ( you should note that i have used the direct formulae of the tangent equation yy1=2a(x+x1) ) please feel free to post as many doubts on our discussion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee preparation. all the best ravi !!! regards, askiitians experts soumyajit iit\\_kharagpur",
"name": "",
"is_accepted": false
}
] |
|
d4ecc54389d5058612e30840f8be2ba9 | match the objects given below with the materials from which they could be made. remember, an object could be made from more than one material and a given material could be used for making many objects. objects materials book glass tumbler wood toy leather shoes plastics chair paper | askiitians.com | 2021.39 | [
{
"text": "book ----------- paper tumbler ------ glass toy ------------- plastics shoes --------- leather chair------------ wood thanks & regards, dinesh sajnani askiitians faculty",
"name": "",
"is_accepted": false
},
{
"text": "book= paper toy=plastics tumbler = glass chair =wood shoes =leather",
"name": "",
"is_accepted": false
},
{
"text": "book-paper tumbler-glass toy-plastics,wood chair-wood,plastics shoes-leather",
"name": "",
"is_accepted": false
},
{
"text": "book – paper tumbler – glass toy – plastics shoes – leather chair – wood",
"name": "",
"is_accepted": false
},
{
"text": "book – paper tumbler – glass toy – plastics shoes – leather chair – wood",
"name": "",
"is_accepted": false
},
{
"text": "the answe is: book – paper tumbler – glass toy – plastics shoes – leather chair – wood",
"name": "",
"is_accepted": false
},
{
"text": "book= paper toy=plastics tumbler = glass chair =wood shoes =leather this is my answer from the list of objects and materials it made up of.",
"name": "",
"is_accepted": false
}
] |
|
90b2dc044e60435f789fbab4aae6bc61 | if x^2+px+1 is a factor of expression ax^3+bx^2+c then prove that a^2\_c^2=\_bc | askiitians.com | 2021.25 | [
{
"text": "ax 3 +bx 2 +c=(x 2 +px+c)(kx+m) where kx+m is a linear factor expandinding the above and comparing coefficients of same powers of x we get p=-a/c,ap+c=b,put p=-a/c in ap+c=b we get -a 2 /c+c=b -a 2 +c 2 =bc so a 2 -c 2 =-bc hence proved",
"name": "",
"is_accepted": false
},
{
"text": "suppose (ex+f) is the other root. therefore, (x^2+px+1)(ex + f) = ax^3 + bx^2 + c now equate coefficients and eliminate e,f.",
"name": "",
"is_accepted": false
}
] |
|
280d5d3252becb001ff7e0642f0debcb | if in a compound there are no pi bonds but a lone pair consisting group is present then is resonance possible in such a case?how? | askiitians.com | 2021.39 | [
{
"text": "no, resonance is not possible because if lone pair attacks on sigma bond then bonds are breaked.so ,no resonance occur.",
"name": "",
"is_accepted": false
}
] |
|
c2bdaeac532f1a107ce8d7cd75b0ec7e | sir, i am very good in phy, maths, and physical chem, tomorrow 1 am going to start wth organic n inorganic .... can u kindly suggest some best and most efficient way of studyng thes two parts of chem please kindly reply with your valuable suggestions i have been coached from kota bansal from v1 batch and also kindly suggest how to study in these left 16 days | askiitians.com | 2021.25 | [
{
"text": "dear satish just 16 days are left so i will not suggest u any new book ,just study the same material and books which u are already following. its time of revision and prractice for speed . solve sample paper at least 1 in 2 days. and while solving the paper in which topic u are not comfortable .then revise important concept and application of those topics from ur notes do not waste your time in solving very difficult question .just refer to those problem and which are purely jee syllabus based.memorise the formulas of different topic. this is very critical moment ,engage urselef atleast 14-15 hour in a day for jee prepration . and in the last 4-5 day just solve previous 6-7 year jee paper and practice the formulas. 'organic chemistry' has the highest weightage with mean marks of 36%. topics like 'isomerism' and 'name reactions', and 'stability of reaction intermediates' should be thoroughly covered. it is easier to remember the reactions and conversions involving aromatic compounds and a considerable percentage of questions from organic chemistry are based on this part. an understanding of directive influence of substituent groups, resonance and mechanism of reactions definitely helps in cracking the problems of organic chemistry. 'inorganic chemistry' and 'general chemistry' account for 21% and 10% of the total marks. inorganic chemistry should be prepared by studying the group properties and periodicity. lots of emphasis has to be given to exceptions. questions are asked from these topics invariably. the properties of some important compounds are also asked in the form of reactions. remembering the reactions involved in qualitative analysis is of great advantage. questions asked in general chemistry mostly include that from 'stoichiometry' and 'chemical bonding'. just stay calm and focus on understanding rather than mugging. please feel free to post as many doubts on our discussion forum as you can. if you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. we are all iitians and here to help you in your iit jee preparation. all the best. regards, askiitians experts badiuddin",
"name": "",
"is_accepted": false
}
] |
|
e91c4da0b0d8f397d87e78df3f58f970 | how to find if we should do the sum with newton's interpolation forward or by using backward formula by seeing the sum. | askiitians.com | 2021.39 | [
{
"text": "newton's interpolation formulae as stated earlier, interpolation is the process of approximating a given function, whose values are known at tabular points, by a suitable polynomial, of degree which takes the values at for note that if the given data has errors, it will also be reflected in the polynomial so obtained. in the following, we shall use forward and backward differences to obtain polynomial function approximating when the tabular points 's are equally spaced. let where the polynomial is given in the following form: ( 11 . 4 . 1 ) for some constants to be determined using the fact that for so, for substitute in ( 11.4.1 ) to get this gives us next, so, for or equivalently thus, now, using mathematical induction, we get thus,",
"name": "",
"is_accepted": false
}
] |
|
09d2120c316781ebdff7460f7fc199f5 | (i) distinguish between flux and slag. (ii) which metals are generally extracted by the electrolytic processes? what positions these metals generally occupy in the periodic table? | askiitians.com | 2021.21 | [
{
"text": "hello student flux is an additional substance which is added in the ore. it combines with the impority to form easily fusible products known as slag. highely reactive metals are extracted byelectrolytic processes.",
"name": "",
"is_accepted": false
}
] |
|
b804d44f07521b73716776336926c0c1 | what is the unit of area under stress strain graph/slope of stress strain graph..... both are in ratio.... | askiitians.com | 2021.31 | [
{
"text": "the ratio of stress to strain is called as modulus of elasticity (denoted by m or sometimes e) . the unit and dimensions are same as of stress because strain is a unitless quantity ! hence the unit is n/m^2",
"name": "",
"is_accepted": false
}
] |
|
d6bb353410dca4f06d0b14ac543993f0 | a particle is thrown upards from ground. it experiences a constant resistance force which can produce retardation of 2m/s 2. the ratio of time of ascent to the time of descent is (take g=10m/s 2 ). | askiitians.com | 2021.31 | [
{
"text": "hi there. in first case, when the ball is thrown upwards. initial velocity = u final velocity(v) = 0 [∵ the ball will stop before coming down to the surface] height at which the ball reaches before coming down = s m time taken by the particles to reach the height (or time of ascent) = t s. acceleration = -g [∵ the ball is thrown against the gravity] from the question, it experiences the air resistance of 2 m/s². ∴ acceleration of the particles = -g - 2 = - (g + 2) m/s². now, using the equation of the motion, v = u + at ∴ 0 + u + [-(g + 2)]t ∴ u = t(g + 2) ⇒ t = u/(g + 2) hence, time taken by the particle to reach the certain height (or time of ascent) is u/(g + 2) seconds. now, again using the equation of the motion, v² - u² = 2as ⇒ (0)² - (u)² = 2[-(g + 2)s] ⇒ u² = 2s(g + 2) ⇒ s = u²/(g + 2) now, in second case, (when the ball comes down), initial velocity(u) = 0 final velocity = v time taken by the particles to falls (or time of descent) = t s. height or distance covered(s) = u²/(g + 2) acceleration of the particle = g m/s² ∴ the particles experienced the air resistance, ∴ acceleration = (g - 2) m/s². ∵ s = ut + 1/2 × at² ∴ u²/(g + 2) = 0 × t + 1/2 × (g - 2) × t² ⇒ t = hence, the time taken by the particles to falls down (or time of descent) is now, a/c to the question,we have to calculate the ratio of the time of ascent to the time of descent. ∴ time of ascent/time of descent = t/t = u/(g + 2) ÷ u/√(g² - 4) = = = = = = √96/12 = 4√6/12 = √6/3 ∴ t : t = √6 : 3 hence, the ratio of the time of the ascent to the time of descent is √6 : 3 note ⇒ time of ascent is always equals to the time of descent only when there is no air resistance thus no loss of energy. but since there is the loss of energy by the air resistance, it cannot be possible.",
"name": "",
"is_accepted": false
}
] |
|
1a79ff3048fa519c65032c3364ac26e8 | the value of sin88? | askiitians.com | 2021.39 | [
{
"text": "0.99939082702",
"name": "",
"is_accepted": false
},
{
"text": "hello raghuwansi ! since 88 is very close to 90 you can assume sin(88) as equal to 1 ...but the exact value is 0.9993...... regards yagya askiitians\\_expert",
"name": "",
"is_accepted": false
},
{
"text": "dear shyamsingh, the exact value of sin 88 is 0.9993908. since the angle is closer to 90, the value is also closer to 1. plz approve my answer if you like...",
"name": "",
"is_accepted": false
}
] |
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