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1. If you understand, say "understand" . If you don't understand, say "don't understand". But if you understand and say "don't understand". How do I understand that you understand? Understand! ************** 2. I wish to wish ...
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Most of us aren't happy with JEE-2010 and the way it was conducted?Can we do something?Can we have a re-exam? those in support of a re-exam do reply here............ ...
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Most of us aren't happy with JEE-2010 and the way it was conducted?Can we do something?Can we have a re-exam? those in support of a re-exam do reply here............ ...
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One mole of an ideal gas in initial state A undergoes a cyclic process ABCA as shown. Its pressure at A is Po. then (a) Internal energies at A and B are same (b) Work done by the gas in the process AB is PoVo ln4 (c) pressure ...
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whish set ws d easiest? according to u ? ...
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*Image* how u solve it ? ...
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Two identical metallic balls of radius 2 m are placed in a homogenous poorly conducting medium with restivity 4 × 10^-3 m. The distance between them is much larger than their size. The resistance of medium between the balls ...
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Multi-correct. Q) In a prism of angle A and refractive index \mu , the maximum deviation occurs when - a) Angle of incidence is 90 deg. b) Angle of incidence is sin^{-1}\left(\left\{\sqrt{\mu^2-1} \right\}sinA-cosA \right) c) ...
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Q. Prove that internal energy of one mole of a Van der Waals gas is given by U = CvT - a/Vm ...
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Find: \lim_{x\to\infty} \left(\dfrac{ex}{2}+x^2\left\{\left(1+\dfrac{1}{x}\right)^x-e\right\}\right) Note that {.} is NOT the fractional part. ...
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Find: \lim_{x\to\infty} \left(\dfrac{ex}{2}+x^2\left\{\left(1+\dfrac{1}{x}\right)^x-e\right\}\right) Note that {.} is NOT the fractional part. ...
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*Image* Questions are from HCV ...
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a constant electric current flows along a uniform wire with cross sectional radius R and heat conductivity coeff. K...A unit volume of wire generates thermal power α.Find the temp as function of distance r from the axis of t ...
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Q1 Let h(x) = l kx+5 l and domain of f(x) and f(h(x)) are [-5,7] and [-6,1] respectively, then value of k is _____ (the answer is X if cant say) Q2. lim(x->0) [ sinx/x ] = _____ [lim(x-->0) sinx/x ] = ______ ...
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1..if f:R→R be a differential finction such that that f(2-x)=f(x) and f(5-x)=f(5+x) then 1.f'(-3)=0 2..f'(9)=0 . 3.if \int_{3}^{5}{f(x)dx=k},then \int_{11}^{15}{f(x) dx} wil l be k ...
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electric potential due to a dipole is cylindrical symmetric.Why? ...
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1..∫ X2/(A+BX)2 dx ...
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find \int_{0}^{\pi/4}{\frac{x dx}{cosx(cosx +sinx)}} ...
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\sum_{r=0}^{9}{\left(-1 \right)^r\cos^{10}\frac{r\pi}{10}} any short solution using complex? ...
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\lim_{z \rightarrow \infty}\frac{\int_{1/2}^{z}{[cot^{-1}x]dx}}{\int_{1/2}^{z}{[1+\frac{1}{x}}]dx} where [.] is GINT ...
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If x+\frac{1}{x}=5 then the numerical value of x^{7}+\frac{1}{x^{7}} is, A) 57965 B) Is a multiple of 7 C) 57695 D) Is a multiple of 5 [ multiple options correct] ...
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1) A point source of light is placed at the centre of curvature of a hemispherical surface.the radius if curvature is r and the inner surface is completely reflecting.Find the force on the hemisphere due to the light falling ...
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Find time period of rod in both cases 1) *Image* Rod is hinged about centre...Distance a,b are measured from COM and c distance from point where string is tied 2) *Image* Rod is free to move,The strings are at extremes of rod ...
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Q1 Find F(x)=limn→∞( x2nf(x)+g(x)/x2n+1 ) when: a)x<-1 b)-1<x<0 c)0<x<1 d)x>1 where f(x) and g(x) are continuous functions Q2 limn→∞ an/n! ; a ε R Q3 limn→∞ (1+ 1/a1 )(1+ 1/a2 )(1+ 1/a3 )...(1+ ...
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din knw whether to put in mechanics or electricity and mag section *Image* ...
