Heat TransferEasyBloom 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.
Create a free account to view solution
View Solution FreeMore Heat Transfer Questions
Heat conducting metarial is -...Flash light equipped with a new set of batteries, produces bright light. As the batteries wear out:...If a piece of metal is heated to temperature θ and then allowed to cool in a room which is at temperature θ0 t...A body takes T minutes to cool from 62oC to 61oC when the surrounding temperature is 30oC. The time taken by the body to...Show below are the black body radiation curves at temperature T1 and T2 (T2 > T1). Which of the following plots is corre...