A perfect black body is one whose emissive power is

Question

A perfect black body is one whose emissive power is (A) maximum (B) zero (C) unity (D) minimum

Tardigrade Admin · Accepted Answer

A black body is an object that absorbs all electromagnetic radiation that falls on to it. No radiation passes through it and none is reflected. Hence, its emissive power is unity

Q. A perfect black body is one whose emissive power is

maximum

zero

unity

minimum

A black body is an object that absorbs all electromagnetic radiation that falls on to it. No radiation passes through it and none is reflected. Hence, its emissive power is unity