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A solid conucting sphere havign charge Q is surrounded by uncharged concentric cinducting hollow spherical shell.Let tghe potential diff b/w surface of solid sphere and that of the outer surface of hollow shell be V.If hte sh ...

a standing wave existsi n a string of length 150cm fixed at both ends.THe displacement amplitude of a point at a distance 10cm from one of the ends is 10√3 mm.The distance b.w two nearest points within the same loop having ...

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Two bodies of masses m1 and m2 and specific heat capacities s1 and s2 are connected by a rod of lenght L crossectional area A,thermal conductivty K and negligible heat capacity.The whole system is thermally insulated.At time ...

Q1 2 conducting spheres of radius r and 2r at a very large separation.Each sphere has acharge Q.These spheres are now connected with aconducting wire of resistance R.FInd current flowing in wire at t=2μs r=30cm,R=90 k Ω ,Q= ...

PLEASE HERE THE SONG" NEW DIVIDE " BY LINKIN PARK. IT'S AWESOME. DOWNLOAD IT FROM THE INTERNET AND JUST PLAY. U WOULD WANT TO HERE IT AGAIN AND AGAIN. ...

\text{Let f(n) be the integer closest to} \ {\sqrt{n}}\\ \text{find the value of }\\ \sum_{i=1}^{2008}{\frac{1}{f(i)}}\\ \text{NOTE: f(6=2),f(7)=3,f(12)=3,f(13)=2 etc.}\\ (A)88\frac{28}{45} \ \ (B)90\frac{3}{5} \ \ (C)87\frac ...

*Image* what are all the resonating structures..... first two are as follows... *Image* *Image* *Image* *Image* what'll be the next one?? frst of all i suppose i have drawn the compound correctly as named?? ...

Among the following,the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient conditions is A. CH3(CH2)15N+(CH3)3Br- B. CH3(CH3)11OSO3- Na+ C. CH3(CH2)6COO-Na+ D. CH3(CH2)11N+(CH3 ...

which is more stable.. =C=O or =C=C= ...

each of foll. reagents, consider normal charge polarisation to identify that part of the reagent that can act as an electrophile... a) HBr b) HOCl c) Cl2 d) Br2 e) H2O f) CH3COCl g) CH3COOH h) *Image* ...n this is a benzene r ...

ncert class XII page 316....chapter 9 example 9.4 havin a doubt in this example.....when i solve it by differentiating th mirror equation wrt time....m getting an answer different from the achieved by the method shown here... ...

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Assuming 200 MeV of energy is released for fission of Uranium atom , find the number of fissions per second required to realease 10 kilowatt power. ...

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Which is the most acidic hydrogen in this molecule? 1. *Image* ignore the ABCD 2. *Image* Again, ignore the ABCD ...

In each structure, which hydrogen is more acidic? 1.CH3CH2Ch2C≡N 2. CH3C(O)OCH3.......the O in bracket is double bonded to the C 3.HOC(F)HCH2CH2CH2OH ...

A massless container containing some water is accelerating in the horizontal direction with accn a m/s2. The lid of the continer is hinged at 1 end, and is free at the other end. Find what minimum mass should be kept over the ...

If the hr and minute hands of a clock are interchanged - in how many cases shall the new setup show some time? ...

CH3C≡CH + (-)NH2 ---->NH3+? i thought (-)CH2C≡CH but answer is CH3C≡C(-) why am i wrong??????? ...

CH3CH2CH3 reacts with CH2(carbene). What various alkanes will be obtained due to insertion??? well in previous one we replaced the double bond by the two bonds from carbene... in this are we supposed to replace the H from two ...

whats the difference between a singlet carbene and a radical???? may be a silly doubt but it is neway a doubt... ...

*Image* so I is a tertiary free radical II is a secondary free radical III is a conjugated system and secondary free radical IV is a conjugated systejm, conjugation less than in III and is secondary free radical so stability ...

*Image* arrange BE of (C-H) bonds indicated by α, β and γ.... ...

din knw whether to put in mechanics or electricity and mag section *Image* ...

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*Image* now 1) what is the significance of the minus sign before Blv ???? 2) what is the vector form of this formula.. like e.g. Fm = Bqvsin@ or q(v x B) 3) the book says E=0 if l or v is parallel to B if v is parallel E=0 I' ...

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here below i list the thngs i learnt in org in t iit...correct me if i am wrng 1) conjugation imlies... pi sigma pi sigma or, pi sigma free elec sigma pi... or, pi sigma - sigma pi.. when - is on a C atom ...