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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A calorimeter contains 10 g of water at . The temperature falls to in 10 min. When calorimeter contains 20 g of water at , it takes 15 min for the temperature to become . The water equivalent of the calorimeter is

Answer: (B)

Solution

The rate of heat loss is the same in both cases (same temperature range), so $ =

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Question ID VK-065918