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  4. If the wavelength of maximum intensity of radiation emitted by sun and moon are 0.5× 10- 6 m and 10-4 m respectively, the ratio of their temperature is

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Q. If the wavelength of maximum intensity of radiation emitted by sun and moon are $0.5\times 10^{- 6}$ $m$ and $10^{-4}$ $m$ respectively, the ratio of their temperature is

NTA AbhyasNTA Abhyas 2020Thermal Properties of Matter

Solution:

$\frac{T_{1}}{T_{2}}=n=\frac{\lambda _{m_{2}}}{\lambda _{m_{1}}}= \, \frac{10^{- 4}}{0.5 \times 10^{- 6}}=200$