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GATE Mechanical Engineering (ME) 2020 Shift 2 Solved Paper

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Question : 63

Total: 65

The spectral distribution of radiation from a black body at T1=3000K has a maximum at wavelength λmax. The body cools down to a temperature T2. If the wavelength corresponding to the maximum of the spectral distribution at T2 is 1.2 times of the original wavelength λmax, then the temperature T2 is K (round off to the nearest integer).

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