Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediummultiple choice
Two solid cubes of the same size and identical surface finish, made of different materials, are at the same temperature in the same surroundings. Their rates of fall of temperature are equal at that instant if:
Options:(select one or more)
Answer:
B, D
Solution:
Same size and surface give the same radiated power , so the rate of fall is equal when is equal (B). With equal volume this means equal (D). A and C are false.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m
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