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

Choose the correct option 

1.  (a) , (c) 

2. (b) , (c) 

3.  (d) only 

4. (a) , (d)