MHT CET 2024 Physics question
The power radiated by a black body is P and it radiates maximum energy around the wavelength . Now the temperature of the black body is changed so that it radiates maximum energy around wavelength . The power radiate by it will now increase by a factor of
Answer: (C)
Solution
By Wien's displacement law . When is halved from to , the absolute temperature doubles: . By Stefan's law the power radiated is $P
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