Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB
PhysicsMediumstatement
Consider the molecules of a gas in thermal equilibrium at a fixed temperature. Statement I: Individual molecules keep changing speed through collisions. Statement II: The fraction of molecules in any given speed range stays constant.
Options:
Answer:
A
Solution:
Collisions exchange energy, so a molecule's speed keeps changing. The Maxwell distribution, i.e. the fraction in each range, is stationary at fixed T. Both true. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws
⏱ 2mℹ️ Source: QB
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