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A body of mass m fell from a height h onto the pan of a spring balance. The masses of the pan and the spring are negligible, the stiffness of the latter is k. Having stuck to the pan, the body starts performing harmonic oscil ...
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Hi Friends i have doubts in the following question. 1. What is Umbrella Reaction? 2. How to convert Methanol to Butanol? ...
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*Image* CAN ANYONE GIVE ME THE CORRECT MECHANISM OF THIS RXn.... ...
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how can a real landscape on a photograph be distinguished from its reflection in quiet water? ...
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How many six digit numbers can be formed from 0,1,2,....8,9 such that,every number contains exactly 3 distinct digits ...
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Easy if u have seen. Try this even if u havent. It is a good one to know :) x+y+z=6 all are positive reals! Find the minima and maxima of a2/x + b2/y + c2/z where a, b, c are integers! Really Sorry I made a mistake in thi ...
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I personally dont like pseudo force.. (Used to love it when I was in class xi) but when i came to class xii.. i started to hate it.. Yeah there are some problems which are solved in a flash by using pseudo force.. but there a ...
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this was toughest question in inpho2008 others were too easy try part b Sunlight falls on the convex surface of the plano - convex lens of aperture 0.080 m. The radius of curvature of the convex surface of the lens is 0.100 m ...
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Why does C-N length increase in CN+ as compared to CN- ? ...
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if 1,a1,a2 ......an-1 are n roots of unity then the v alue of (1-a1)(1-a2)...(1-an-1) is ...
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if one root of the eqn ax2+bx+c=0 is reciprocal of one root of eqn a1x2+b1x+c1=0 then relation b/w a,b,c and a1,b1,c1 ...
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|x|+|y| =1 when xand y are mutually prependicular lines ...
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A faulty barometer contains some amount of air and the saturated water vapour. It reads 74 cm when the atmospheric pressure is 76 cm if Hg and reads 72.10cm when the atmospheric pressure is 74cm. Saturation vapour pressure is ...
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if α,β are roots of x2+px+c=0 and α4,β4are roots of x2-rx+s=0 then the eq x2-4qx+2qr-r=0 has which type of roots given p,q,r,s ε R ...
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f(x)= { 3[x] -5(|x|/x) , x≠0 { 2, x=0 [.]=box function. -3/2∫2 f(x) dx. = ???? i got -13/2... ans is -11/2... ...
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let x1,x2 be the roots of the eq x2-3x+p and x3,x4 be the roots of the eq x2-12x+q =0,then no's x1,x2,x3,x4 are in G.P then value of p,q ...
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lim x->pi/2 [x/2]/log(sinx) = ???????? ...
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1 M soln of a weak base BOH is only 0.5% ionised. If 2 ml 1 M soln of BOH is mixed with 30ml water, the degree of dissociation of the base in the resulting soln and H+ ion conc. of the soln will be ??? a) 0.02 and ...
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big confusion.....................in the brochure it is written that form has to be fillled with black ink pen(not clear whether gel or ball point ) and on the form it is written that we have to use black ball point pen and h ...
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A man climbs a flight of stairs. (Remember that he is not only moving forward but upwards as well.) Assume that he travels H height and L length(in horzontal distance) Man's mass=M. he carries a briefcase of mass m Ex ...
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*Image* The Magnetic feild is B(j)... What is the velocity with which the cylinder reaches the ground?? ...
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Calculate the value of γ =Cp/Cv for a gaseous mixture consisting of v1=2.0 moles of oxygen and v2=3.0 moles of carbon dioxide. The gases are assumed to be ideal! (This question was given by ashish.. It was attemp ...
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1. We define three quantities as follow: A = mec2, B = h/mec, C = e2/2Ç«0ch Where me is electron mass and other symbols have their usual meanings. For the hydrogen atom, express the radius of the nth Bohr orbit rn ...
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if the roots of the equation x2-px+q=0 differ by unity then p2= ...
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explain kirchoff's equation related to chemistry ...
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this one is really important n i want help!! can nyone tell me y the screen of my pc turned rainbow col this morning..????????????????????? ...
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the eqn of circle passing through (1,1) and having two diameters along the pair of lines x2-y2-2x+4y-3=0 ...