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MHT CET 2023 Physics question

PhysicsThermal Properties of MatterMHT CET 2023

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

Answer: (B)

Solution

By Wien's displacement law constant, so . By Stefan's law the emissive power of a black body is , hence

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Question ID VK-095304