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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Rate of radiation by a black body is 'R' at temperature 'T'. Another body has same area but emissivity is 0.2 and temperature '3T'. Its rate of radiation is [MHT-CET 2019]

Answer: (D)

Solution

Rate , so the second body radiates

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Question ID VK-063892