Question

A black body rediates energy at the rate of E watt per metre2 at a high temperature T K. when the temperature is reduced to (T/2) K, the radiant energy will be (a) E/16 (b) E/4 (c) E/2 (d) 2E

Answer 1

Answer:

E/2 ans

Explanation:

A black body radiates energy at the rate of Ewatt/m square