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IIT - 2005 MAINS *Image* PL/. TELL ME HOW TO DETERMINE WETHER THEY are connected at the reducin center or the non reducing cenetre ...

∫(x2/(xsinx+cosx)2)dx pls give some hints..... ...

This was supposed to be with magazine but as time left fir JEE is very less, it is being uploaded Results will be declared on 6th of April Try to take it before that ...

why p- dihydroxybenzene is polar ...

Find all positive integers, representable uniquely as \frac{x^{2}+y}{xy+1} where x and y are positive integers. ...

Suppose that p is a prime number and is greater than 3 . Prove that 7^{p}-6^{p}-1 is divisible by 43. ...

The integers a and b have the property that for every nonnegative integer n, the number 2^{n}a+b is the square of an integer. Show that a=0. ...

for rxtion PCl5 --- > <---- PCl3 +Cl2 in agesous phase Kc=4 in 2liter flask thr r 2.5 moles iniially of each PCl3 n Cl2 equilibrim conc of PCl5 is m gettin it as .8 check wher thats rite ...

Al2O3 is reduced by electrolysis at low potentials and high currents.If 4*104A current is passed through molten Al2O3 for 6 hours,mass of aluminium produced.... ...

Calculate the energy required to excite one litre of hydrogen gas at 1 atm and 298K to the first excited state of atomic hydrogen. the energy of dissociation of H-H bond is 436 kJmol-1 ...

A) cassiterite 1. ruby B) corundum 2. Al2O3 C) chalcocite 3. Tin stone D) chalcopyrites 4. copper glance 5. SnO2 6. CuFeS2 ...

A sodium salt of an unknown anion when treated with MgCl2 gives white precipitate only on boiling. This anion is.. a) SO42- b) HCO3- c) CO32- d) NO3- ...

I am starting this thread where there will be all the exceptions in chemistry.... plz post here... the exceptions in chemistry u know....grow it up...it may b helpful... i m starting with a simple one....... AgCN is a sparing ...

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What is the angle made by angular moment vector of an electron with z-axis? ...

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A vernier calliper having 1 main scale div. .1cm is designed to have a least count of .02cm. If n be the no. of divisions on vernier scale and m be the length of vernier scale. Find n&m ...

Calculate the coefficient of refraction of a sound wave on the boundary between air and glass. Young’s modulus for a glass is 6.9 * 1010 Nm-2 , density of glass is 2.6gcm-3 and air temperature is 20°C . velocity of sound i ...

A Li7 target is bombarded with a proton beam current of 10-4A for 1 hour to produce Be7 with an activity of 1.8 *108 disintegrations per second . assuming that one Be radioactive nucleus is produced by 1000 protons bobarding ...

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n main scale divisions corespond to n-2 vernier scale divisions 1 main scale division is 1 mm. if the least count of the vernier is .001 m find n ...

find the ratio of magnitude of angular momentum of a rolling disk abt origin to that abt tne point O on the disk which is at a dist. R/2 frm the center.. 1.2:1 2.1:1 3.1:3 4.4:3 ...

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a uniform rod AB of mass m n length l is at rest on a smooth horizontal surface. an impulse J is applied to the end B perpendicular to the rod in horizontal direction . speed of partical at a dist. l/6 frm the centre towards ...

this is a new thread in which all types of maths sums can be posted, rules: 1) only 1 question at a time 2) no one start a new question unless the previous one is fully solved by someone and understood by everyone 3) every qu ...

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*Image* wer p=natural no≥2 ,a>0 r>0n b≠0 q1 if l eists a)b>1 b)0<b<1 c)b<0 d)b=1 q2if p=3 n l=1 then a= ...

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ONE MORE QUESTION APPENDED!!!! *Image* ...