## If dielectric constant of neon is 1.0000314 and an electric field of 106 v/m is applied on sample of….

If dielectric constant of neon is 1.0000314 and an electric field of 106 v/m is applied on sample of neon at NTP, atomic polarisability of neon gas is

## If sulphur has cubical symmetry, and relative dielectric constant is 3.8, what is the density of sul….

If sulphur has cubical symmetry, and relative dielectric constant is 3.8, what is the density of sulphur?(Given: Atomic weight of sulphur is 32 and electronic polarisability of the atom is 3.28 x 10-40 F/m2.)

## For potential V = 4×2 + 8y2 – z2, the volume charge density is….

For potential V = 4x2 + 8y2 – z2, the volume charge density is

## If Earth receives 20 cal min-1 cm-2 solar energy, what are the respective amplitudes of electric and….

If Earth receives 20 cal min-1 cm-2 solar energy, what are the respective amplitudes of electric and magnetic fields of radiations?

## A positive charge of 9.0 x 10-5 coulomb is placed at a distance of 20 cm from another positive charg….

A positive charge of 9.0 x 10-5 coulomb is placed at a distance of 20 cm from another positive charge of 16 x 10-5 coulomb. At what point, will the line joining these charges have electric field zero?

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## Force  =  (x – 1)3 + y3 + (z – 3)3  acts on the surface of sphere (x – 1)2 + y2 + (z ….

Force  =  (x – 1)3 + y3 + (z – 3)3  acts on the surface of sphere (x – 1)2 + y2 + (z – 3)2 = a2 . The value of  is

## What should be the values of a, b and c such that the vector  = (2x + 2y + az) + (bx – y -….

What should be the values of a, b and c such that the vector  = (2x + 2y + az) + (bx – y – z)+ (4x + cy + z) is irrational?

## For positive vector , the value of curl (r2n ) = x + y + z will be….

For positive vector , the value of curl (r2n ) = x + y + z will be

## If  = 3x2y2 – xy2z3, value of the grad  at point (1, 2, 3) will be equal to….

If  = 3x2y2 – xy2z3, value of the grad  at point (1, 2, 3) will be equal to

## Lorentz transformation equation for space and time is….

Lorentz transformation equation for space and time is

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