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Under which condition the rate of coolin...

Under which condition the rate of cooling is obeyed (i) under Newton's law of cooling and (ii) under Stefan's law?

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(i) when the temperature difference between body and surrounding is small, (less than `30^(@)C`), the rate of cooling is obeyed by Newton's law of cooling.
(ii) When the temperature differnece between body and surrounding is large, than rate of cooling is obeyed by Stefan's law.
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