Question

A heated body emits radiation which has maximum intensity near the frequency v₀. The emissivity of the material is 0.5. If the absolute temperature of the body is doubled, 

(a) the maximum intensity of radiation will be near the frequency 2v₀ 

(b) the maximum intensity of radiation will be near the frequency v₀/2 

(c) the total energy emitted will increase by a factor of 16.

(d) the total energy emitted will increase by a factor of 8.

Answer 1

The correct answer is (a) (c) 

(a) the maximum intensity of radiation will be near the frequency 2v₀

(c) the total energy emitted will increase by a factor of 16.