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Question

The maximum in the energy distribution spectrum of the sun is at wavelength 4753 $\overset{o}{A}$ and its temperature is 6050 K. what will be the temperature of the star (in K) whose energy distribution shows a maximum at wavelength 9506 $\overset{o}{A}$ ?

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Solution

By Wein's displacement law, we use $λ_{m} T = constant$
$\Rightarrow λ_{m_{1}} T_{1} = λ_{m_{2}} T_{2} \Rightarrow 4753 \times 6050 = 9506 \times T_{2} \Rightarrow T_{2} = 3025 K$

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