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Sorces of electromagnetic fields are involved in a)∫E.dS=q/ε b)∫B.dS=0 c)∫E.dl=- d∫B.dS/dt d)∫B.dl=μI+με d∫E.dS/dt e)F= 2μI I' l/4πr ...

though chlorine is a very usefull and strong bleaching agent , yet it can not decolourise an ordinery pencil mark !!! why does chlorine show this peculiar property ?? ...

Pick out the orbital(s) with maximum number of nodal planes A. 3dxy B. 4dz2 c. 4dxy D. 2px ...

How many terms are perfect square in the sequence 4,44,444,4444,44444............................ and why? give the appropriate reason also ...

**I am hiding the solved questions....** 1)Hydrolysis of PI3 gives ?? 2)Decomposition of H2O2 is lowed down by addn of ?? 3)compound which is used in space vehicels to absorb CO2 and liberate O2 a)NaOH b)NaO c)Na2O2 d)CaO and ...

1) Aspirin is a pain killer with pKa=2. 2 tablets each containing 0.09 gm of aspirin are dissolved in 100ml solution. Resultant pH = ----------- 2)if rain water consists of 2.463 lt of dissolved SO3 in 1 litre of water at a p ...

2CH3COO-→C2H6+2CO2 +2e If current effiicency=80%,what vol of gas is produced at 27C and 740 torr if current of 0.5 A is passed for 96.45 min ...

This thread is for those poor, lost souls who were stupid enough to take Computer Science for classes XI and XII, without knowing that it's not necessary as the syllabus revvs up to a whole new level in college. You do get th ...

*Image* I need ans to Q2,3 only ...

1) cos (x+y) dy = dx 2) x+y dy/dx /y-x dy/dx = (1 + x2/y2 ) ( ln ( x2+y2 )) 3) dy/dx = (4x + y + 1)2 4) 2x3y3 + x4y2 dy/dx = -b2/a2 y - b2/a2 x dy/dx [ GUYS POST THE SOLN. FULL AS I CANNOT CONFIRM UR ANS. SINCE I DON'T HAVE T ...

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Q1 *Image* Q2 only ans plz for this one *Image* ...

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A smooth sphere of mass m impinges on another of mass M at rest, the direction of motion making angle 45° with the line of centers at the moment of impact. If the coeffcient of restitution e = 1/2, show that direction of m i ...

S = 1.3.4 + 4.5.5 + 7.7.6 + 10.9.7 + .............. Find sum to n terms ??? (In terms of n) I have a method but want some time saving one So post ur methods ...

1..why natural convection cannot take place in gravity free region??? ...

1...WHY WATER IN RANGE 0-4.C EXPANDS ON COOLING AND CONTRACTS ON HEATING ?????? ...

Statement 1:- Molecules that are non- superimposable on their mirror images r chiral Statement 2:- All chiral molecules hav chiral centres ...

A. PHOTOELECTRIC EFFECT P. INDUCED REACTION B. NUCLEAR FISSION Q.SPONTANEOUS REACTION C. β-DECAY R.EXOGERIC(Q>0)REACTION D. NUCLEAR FUSION S. CHAIN REACTION T. INSTANTANEOUS REACTION ...

A. PHOTOELECTRIC EFFECT P. INDUCED REACTION B. NUCLEAR FISSION Q.SPONTANEOUS REACTION C. β-DECAY R.EXOGERIC(Q>0)REACTION D. NUCLEAR FUSION S. CHAIN REACTION T. INSTANTANEOUS REACTION ...

1...explain---all cis -trans are geometrical isomers but all geometrical isomers are not cis -trans .........give examples....... ...

COLUMN1. A) CH3-CHBr-CD3 on treatment wid alcoholic KOH gives CH2=CH-CD3 as a major product. B) Ph-CHBr-CH3 reacts faster than Ph-CHBr-CD3 C) Ph-CH2-CH2Br on treatment wid C2H5OD/C2H5O- (O -ve) gives Ph-CD=CH2 as the major pr ...

where can we know the centre of our aieee exam? kindly reply. ...

I want the expansion of different expressions like 1/(1-x) sq. root of above then, √1-a2x2 etc.... if u hav good link for this kind of expansions, pls post here... ...

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What's the Major Product in the below reaction ?? *Image* ...

Enthalpy of formation of alkali metal halide is -ve For fluride enthalpy bcome less -ve down the group but for others opposite is true source NCERT wHY THIS DIFFERNCE ARISES? ...

*Image* in the presence of Alcl3 / Δ / oil bath ...

Saw this in some coaching institute material. Its easy, but their method seemed tedious. Lets see how targetiitians fare: x,y \in \mathbb{R} and x+iy = \frac{3}{\cos \theta + i \sin \theta+2} Evaluate 4x-x^2-y^2 ...

anyone received it ????????????????? ...