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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Two spheres 'S' and 'S' have same radii but temperatures T and T respectively. Their emissive power is same and emissivity is in the ratio 1:4. Then the ratio of T to T is [MHT-CET 2023]

Answer: (A)

Solution

Emissive power is equal, so and ; (b) is

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Question ID VK-063788