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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Two solid spheres of radii and are made of the same material and have similar surfaces. These are raised to the same temperature and then allowed to cool under identical conditions. The ratio of their initial rates of loss of heat are

Answer: (C)

Solution

Rate of loss of heat , so the ratio is

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Question ID VK-063404