Assertion : Coefficient of absorption of radiation of an ideal black body is `1`.
Reason : An ideal black body emits radiation of all wavelengths.

The coefficient of absorption of the thermal radiation of black body is

What is black body radiation ?

The coefficient of absorption of the thermal radiation of body is

The coefficient of absorption of the thermal radiation of body is

Assertion : The absorbance of a perfect black body is unity. Reason : A perfect black body when heated emits radiations of all possible wavelengths at that temperature.

The coefficient of absorption of perfectly black body is

State law of black body radiation.

Behaviour of an ideal black body is similar to