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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Two spheres 'S' and 'S' have same radii but temperatures are 'T' and 'T' respectively. Their emissive power is same and emissivity is in the ratio 1:4. Then the ratio 'T' to 'T' is [MHT-CET 2021]

Answer: (D)

Solution

equal for both gives , so ; (a)

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Question ID VK-063855