At a certain temperature for given wavelength, the ratio of emissive power of a body to emmisve power of black body in same circumstance in known as

Define emissive power of ahot body.

What do you mean by emissive power of a body?

Define absorptive power and emissive power of a body.

Emissive power and Absorptive power of a body depend upon

What emissive power of perfectly black body ?

The absorptive power of a black body is _____.

............... of a body at a given temperature is the ratio of total emissive power of the body to the total emissive power of a perfectly black body at the same temperature.