Q323
When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:
A.
Remain same
B.
Double
AnswerC.
Three times
D.
Four times
Answer: Option B
Solution
Answer: Option B
Solution:
According to Newton’s law of cooling, the rate of loss of heat of a body is directly proportional to the difference between the temperature of hot body and temperature of the surroundings, provided that the difference in temperature is small enough.