Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferMedium2 min

PhysicsMediumsingle choice

In Q. No. 4-57, the initial ratio of rates of cooling (fall of temperature) is:

Answer:

Solution:

The rate of cooling $\propto \frac{area}{mass} \propto \frac{R ^{2}}{R ^{3}} = \frac{1}{R}$ . The ratio is $\frac{R _{2}}{R _{1}}$ . C.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

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