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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Rate of cooling of body is 0.5℃/min, when the system is 50℃ above the surroundings. When a system is 30℃ above the surroundings, the rate of cooling will be [MH-CET 2004]

Answer: (A)

Solution

Rate of cooling , so rate $= 0.5 × 30/50 =

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Question ID VK-063567