Heat TransferHardBloom L1
Question
According to Newton′s law of cooling, the rate of cooling of a body is proportional to (ᐃθ)n, where ᐃθ is the difference of the temperature of the body and the surroundings, and n is equal to
Options
A.two
B.three
C.four
D.one
Solution
According to Newton′s law of cooling.
Rate of cooling
∝ ᐃθ
Therefore n = 1.
Rate of cooling
∝ ᐃθ Therefore n = 1.
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