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Physics
Newton's law of cooling holds good only, if the temperature difference between the body and the surroundings is
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Q. Newton's law of cooling holds good only, if the temperature difference between the body and the surroundings is
MHT CET
MHT CET 2006
Thermal Properties of Matter
A
less than 10
∘
C
43%
B
more than 10
∘
C
21%
C
less than 100
∘
C
28%
D
more than 100
∘
C
7%
Solution:
When temperature difference between the body and the surroundings is small, then loss of heat energy from the body is mainly due to the process of convection. In such a case, the rate of cooling of the body is governed by Newton's law of cooling.