Question

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Answer 1

Answer:

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Answer 2

Acc. to Newton’s law of cooling, the rate of loss of heat of a liquid is directly proportional to the difference in temperature of the liquid and the surrounding, provided the difference in temperature is very small

Eα (T − To )

Let a body be maintained at T K. Let To be the temperature of the surroundings. Let T ≫ To. There will be loss of heat be the body

Acc. to Stefan’s law, amount of heat energy lost per second per unit area of the body is