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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

In a room where the temperature is 30°C, a body cools from 61°C to 59°C in 4 minutes. The time taken by the body to cool from 51°C to 49°C will be: [MNR 1991]

Answer: (B)

Solution

From , , and $ =

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Question ID VK-063135