Q.

Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings"?

A. Doppler's Effect
B. Newton's law of cooling
C. Kirchhoff's Law
D. Stefan's Law
Answer» B. Newton's law of cooling
Explanation: Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature.
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