# The energy spectrum of a black body exhibits a maximum around a wavelength λ0…

Q: The energy spectrum of a black body exhibits a maximum around a wavelength λ0. The temperature of the black body is now changed such that the energy is maximum around a wavelength 3λ0/4. The power radiated by the black body will now increase by a factor of

(a) 256/81

(b) 64/27

(c) 16/9

(d) 4/3

Ans:(a)