Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediumsingle choice
Two balls of the same material and finish have diameters in the ratio 2 : 1. Both are heated to the same temperature and allowed to cool by radiation. The rate of cooling of the big ball as compared to the smaller one will be in the ratio:
Options:
Answer:
B
Solution:
The rate of cooling . The big ball cools at half the rate: 1 : 2. B.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m
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