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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

The ratio of rate of loss of heat from a metal sphere at with rate of loss of heat from the same sphere at will be [Room temperature = ] [MHT-CET 2021]

Answer: (C)

Solution

Net loss with T = 900 K, 500 K and K gives

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Question ID VK-063830