Question

Derive or Give the Newton’s law of cooling using Stefan’s law. State the Newton’s law also.




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Answer 1

Answer:

Derivation of Newton's Law of Cooling from Stefan's Law:

Let e be the emissivity (or coefficient of emission) of the surface of the body. ... This is Newton's Law of cooling i.e. the rate of loss of heat of a body is directly proportional to its excess temperature over the surroundings provided the excess is small.