Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKTGEasy2 minPYQ_2020

PhysicsEasysingle choice

Two identical vessels contain two different ideal gases at the same temperature. If the average speed of gas molecules in the first vessel is equal to the most probable speed of molecules in the second vessel, then the ratio of the mass of gas molecules in the first vessel to that in the second vessel is

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Answer:

Solution:

$v_{avg} = \sqrt{\frac{8 RT}{{πM}_{1}}}$

$v_{mp} = \sqrt{\frac{2 RT}{M_{2}}}$

$\frac{8}{M_{1} π} = \frac{2}{M_{2}}$

$\frac{M_{1}}{M_{2}} = \frac{4}{π}$

Subject:PhysicsTopic:Heat & ThermoSubtopic:KTG

⏱ 2mℹ️ Source: PYQ_2020

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