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State Newton's law of cooling. |
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Answer» Solution :Newton.s law of cooling states that the RATE of loss heat of a body is directly proportional to the mean EXCESS of temperature of the body over surroundings. This law is valid only up to `30^@ C` temperature difference. Also, the loss of heat by RADIATION depends upon the nature of the surface of the body and the AREA of the exposed surface. Rate of cooling`(delta theta)/(dt)prop (theta - theta_(0))` |
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