Assertion :For higher temperature, the peak emission wavelength of a black body shifts to lower wavelength. Reason: Peak emission wavelength of a black body is proportional to the fourth power of temperature.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
According to Wein's law, $λ_{m} T = c o n s t a n t$
Thus peak emission wavelength $λ_{m} \propto \frac{1}{T}$
Hence for higher temperature, peak emission wavelength for a black body shifts to lower wavelength.
Hence assertion is True and reason is clearly False.
Hen correct answer is option C.

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