Recently Active Questions

*Image* well guys my argument here is this PV/2n =constant(=0.5RT) at a given temperature. so,D0/Deq =1 Now where am i wrong??? ...

Using principle of mathematical induction, prove that n5/5 + n3/3 + 7n/15 is a natural number for all n belonging to N. ...

Please explain the A.M-G.M inequality... and its application... yep i m asking u?? ...

Please exp wrt this problem. A piece of iron of mass 100g is kept inside a furnance for long time and thn put in a calorimeter of water equi of 10g containin 240g of water at 20°C.Mixture attains equilibrium temp at 60°C. J ...

manish sir plz tell why this concept is not applicable here CONCEPT:for a compound AxBy: x moles of A=y moles of B PROBLEM:0.75 moles of A4 +2.0 moles of O2 completely react to form a single compound!find the empirical formul ...

1.Find the eqn of straight line of the family (x+y)+k(2x-y+1) which is farthest from (1,-3). (ans:: 15y-6x=7) 2.A line is drawn thru (0,0) intersecting the lines 2x+y-2=0 and x-2y+2=0 @ A and B. then the locus of mid pt of AB ...

plz read follwoing with reference to jee books : IUPAC RULES: In thermodynamics as per IUPAC:(i)Work done by system=negative and (ii)first law is ∂U=∂Q+∂W CLASSIC TEXTS[HC VERMA]: (i)Work done by system=positive and (ii ...

Q.How would the diffraction pattern of a single slit be affected when: the width of the slit is decreased? ans: the diffraction pattern becomes narrower shudn't it become wider?[lamda/a formula..] [my friend sent me this ques ...

ignore ...

*Image* Please discuss the questions Got the answer of Q3. as 837 Q4. {1,2,4} and Q6. 43 ...

Is "calculus and analytic geometry by thomas and finney" good for concept clearence? Or any better choices ? ...

Please explain the stewart's theorem. ...

Whats the value of C02 - 2C12 + 3C22 - ....... (-1)^n(n+1)Cn2 stuck at this easy one I suppose............. ...

If a,b,c are in GP and x,y are the arithmetic means of a,b and b,c respectively,prove that 1) a/x + c/y = 2. 2) 1/x + 1/y = 2/b . ...

can seniors and teachers suggest a good book specifically for electrostatics like irodov is for general physics ...

in d ques "charge q is located at distance l/2 from the center of square above its center. Determine electric flux through the square ." i know d formal way i.e (cmplete the square into a cube and proceed) but whats wrong i n ...

My Friend "Mr G is" stuck at the upper-left corner of a 4x4 grid. Every second, he takes a step to an adjacent square (no diagonal movements allowed) with equal probability. Immediately after he changes squares, there is a 1/ ...

can seniors and teachers suggest a good book specifically for electrostatics like irodov is for general physics ...

If atoms are small spherical balls,then how can some electron come out of this ball?Is there any hole through which electrons on excitation will come out? ...

We know that we have to assume light as a collection of particles in some cases.Ok.You know that wind is made of particles.When it passes by you,you feel some jerk.So,if light is made of particles,when it will strike you,you ...

Is the power of convex mirror positive or negative? Pretty easy question to ask but my book says it is negative as opposed to positive. I hope the book is wrong. Is there any other sign convention for powers of mirrors? ...

Q:=> Two numbers a,b are chosen from the set \left\{2,2^{2},......,2^{25} \right\} . Find the probability that log_{a}b is an INTEGER. Q:=> An instrument is being tested, upon each trial the instrument fails with probab ...

A constant current of 1.5 amp is passed through an electrolytic cell containing 0.10N AgNO3 and a silver anode and a platinum cathode are used.after some time the concentration of AgNO3 solution may be: (a)equal to 0.10 M (b) ...

I Cannot Understand this 1.Inter facial Angle? 2.F+C=e+2 What does it mean ...

if number of function defined from f={1,2,3,4,5,6}→{7,8,9,10} such tht the sum of f(1)+f(2)+f(3)+f(4)+f(5)+f(6)=odd number is 2n .then find the value of n??? ...

hydrogen is produced by electrolysis of water.produced hydrogen is used for producing ammonia and nitric acid.if average production of ammonium nitrate is 5000 kg/day,estimate daily consumption of electricity. answer:2.8*105 ...

If A=[-sin@cos@ cos@ sin@],then prove that limn→∞ An/n is a null matrix. ...

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What is the difference between Protic and Aprotic ?? ...

a person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves at a speed of 2 m/s as it reaches A. The work done by the person on the mass is -3 J. The potential at A is ........ pls g ...