Kelvi

The power radiated by a black body is $P$ and it radiates maximum energy at wavelength, $\lambda_0.$ 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

hard

Thermal Properties of Matter

2018

physics

$\frac{256}{81}$

$\frac{4}{3}$

Explanation

To solve this problem, we will use two important laws related to black body radiation: Wien's Displacement Law and Stefan-Boltzmann Law. $\\$ 1. Wien's Displacement Law: $\\ \lambda_{max} \cdot T = b \\$ where $\lambda_{max}$

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