Question

The power radiated by a black body is P and it radiates maximum energy at wavelength, λ0 . If the temperature of the black body is now changed so that it radiates maximum energy at wavelength $\frac{3}{4}\lambda_0$, the power radiated by it becomes nP. The value of n is

• A. $\frac{3}{4}$
• B. $\frac{256}{81}$
• C. $\frac{4}{3}$
• D. $\frac{81}{256}$

Answer 1

Answer: (B)

$\frac{256}{81}$

Answer 2

The correct option is (B): $\frac{256}{81}$