Question

The power radiated by a black body A is EA and the maximum energy
radiated was at the wavelength λA. The power radiated by another black
body B is EB = N EA and the radiated energy was at the maximum wavelength, 1/2
λA. What is the value of N?

Answer 1

Answer:

The power radiated by a black body is P and it radiates maximum energy at wavelength, λ

0

. If the temperature of the black body is now changed so that it radiates maximum energy at wavelength

4

3

λ

0

, the power radiated by it becomes nP.

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