The velocity of thermal radiations (V) is related to the velocity of light ( C) as

Statement I : The velocity of light rays of different colours is the same. But the velocity of the light rays are different for any other medium. If v = velocity of light in the respective medium c = velocity of light in vacuum, mu = refractive index, then v = ( c )/(mu) . Statement II : mu is different for different media.

The thermal radiation from a hot body travels with a velocity of

The thermal radiation from a hot body travels with a velocity of

The r.m.s velocity of the molecules of a gas is C and velocity of sound in the gas is V. The relation between V and C is

At a given temperature if V_(rms) is the root mean square velocity of the molecules of a gas , V_(s) is the velocity of sound in it ,then these are related as (gamma=(C_(P))/(C_(v)))

How is the refractive index of a material related to: Velocity of light in vacuum or air and the velocity of light in a given medium?

alpha, beta and gamma radiations have the same velocity as light.