The rate of radiation of energy from a hot object is maximum, if its surface is

Question

The rate of radiation of energy from a hot object is maximum, if its surface is (A) White and smooth (B) Black and rough (C) Black and smooth (D) White and rough

Tardigrade Admin · Accepted Answer

Black and rough surfaces absorb maximum amount of radiation and than radiate the same amount of radiations.

Q. The rate of radiation of energy from a hot object is maximum, if its surface is

White and smooth

Black and rough

Black and smooth

White and rough

Black and rough surfaces absorb maximum amount of radiation and than radiate the same amount of radiations.