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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Emissive power of a black body at a temperature 300 K is 81 . Another one is an ordinary body having emissivity 0.8 at 500 K. What is the emissive power of ordinary body? [MH-CET 2008]

Answer: (A)

Solution

E_{bb}(500300)^4$ = 0.8 ×

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Question ID VK-063551