JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 42
question_answer
If a piece of metal is heated to temperature 9 and then allowed to cool in a room which is at temperature \[{{\theta }_{0}},\] the graph between the temperature T of the metal and time t will be closest to
A)
B)
C)
D)
Correct Answer:
C
Solution :
According to Newton's law of cooling, the temperature goes on decreasing with time non-linearly.