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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

The radiation energy density per unit wavelength at temperature T is maximum at a wavelength . At temperature 2T, it will have a maximum at a wavelength [MHT-CET 2020]

Answer: (B)

Solution

Wien's law constant, so doubling T halves the wavelength to ;

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Question ID VK-063861