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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A black body radiates maximum energy at wavelength '' and its emissive power is 'E'. Now, due to change in temperature of that body, it radiates maximum energy at wavelength . At that temperature, emissive power is [MHT-CET 2023]

Answer: (A)

Solution

Wien's law gives and emissive power gives

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Question ID VK-063773