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JEEMAIN PAST PAPERS
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2003
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According to Newton's law of cooling, the rate of cooling of a body is proportional to $(\Delta \theta)^n$, where $\Delta \theta$ is the difference of the temperature of the body and the surroundings, and $n$ is equal to :
( A ) 4
( B ) 1
( C ) 3
( D ) 2
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