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MHT CET 2025 Physics question

PhysicsThermal Properties of MatterMHT CET 2025

Two spherical black bodies have radii '' and ''. Their surface temperatures are '' and ''. If they radiate same power, then is

Answer: (D)

Solution

By Stefan's law the power radiated by a black sphere is . Equal powers give , so and

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Question ID VK-102909