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10-2.Transmission of Heat
easy
A cane is taken out from a refrigerator at $0°C$ . The atmospheric temperature is $25°C$ . If $t_1$ is the time taken to heat from $0°C$ to $5°C$ and $t_2$ is the time taken from $10°C$ to $15°C$, then
A
${t_1} > {t_2}$
B
${t_1} < {t_2}$
C
${t_1} = {t_2}$
D
There is no relation
Solution
(b) According to Newton’s law of cooling.
Standard 11
Physics