Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB

PhysicsMediumsingle choice

Natural helium is a mixture of isotopes with atomic weights 3 and 4. At the same temperature, which atoms move faster on average and why?

Answer:

Solution:

At the same $T$ the average kinetic energies are equal, so

speed varies as $\frac{1}{M}$ . The lighter He-3 is faster. A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws

⏱ 2mℹ️ Source: QB

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