Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB
PhysicsMediumstatement
A gas in a metal cylinder is compressed suddenly and then the piston is held fixed.
Statement I: Just after compression, the gas is hotter than the surroundings.
Statement II: The pressure then falls as heat flows out through the metal.
Options:
Answer:
A
Solution:
Fast compression is nearly adiabatic and heats the gas. The metal then conducts heat out, the gas cools at constant volume and the pressure falls. Both true. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws
⏱ 2mℹ️ Source: QB
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