If a piece of metal is heated to temperature $\theta$ 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
JEE MAIN 2013, Medium
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C
c According to Newton's $1aw$ of cooling, the temperature goes on decreasing with time non-linearly
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