Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB

PhysicsMediumsingle choice

Four molecules of a gas have speeds 1, 2, 3 and 4 km $s^{- 1}$ . The root mean square speed of the gas molecules is:

Answer:

Solution:

$v_{r m s} = \frac{1 + 4 + 9 + 16}{4} = 7.5 = \frac{15}{2}$

km $s^{- 1}$ . D.

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

⏱ 2mℹ️ Source: QB

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