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JEE Main 2003 Physics question

PhysicsThermal Properties of MatterJEE Main 2003

According to Newton's law of cooling, the rate of cooling of a body is proportional to , where is the difference of the temperature of the body and the surroundings, and is equal to

Answer: (4)

Solution

Newton's law of cooling states that, for small temperature differences, the rate of loss of heat is directly proportional to the temperature excess:

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Question ID VK-038088