Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediummultiple choice
The rates of fall of temperature of two identical solid spheres of different materials are equal at a certain temperature if:
Options:(select one or more)
Answer:
B, D
Solution:
Identical spheres radiate at the same rate . The rate of fall is , so equal rates need equal heat capacity (B). For equal volume, , so is equal, meaning (D). A and C are false.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m
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