Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumassertion reason
Assertion: A freely expanding pendulum with positive runs slower when heated at fixed g. Reason: Its period is proportional to the square root of its length.
Options:
Answer:
A
Solution:
Heating increases l, and increases. Fewer oscillations occur per true second. Both are true and the Reason explains the Assertion.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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