Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediumstatement
Statement I: The body of a refrigerator is painted white.
Statement II: The pipes and metal grid at its back are painted black so that they radiate heat to the surroundings well.
Options:
Answer:
A
Solution:
A white body absorbs little radiation from the room, which keeps the cabinet cool. The black condenser grid is a good emitter, so it gives out heat to the surroundings faster. Both statements are true. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m
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