Heat and Thermal ExpansionHard

Question

N(< 100) Molecules of a gas have velocities 1, 2, 3.........N , km/s respectively . Then :-

Options

A.rms speed and average speed of molecules are same
B.Ratio of rms  speed  to average  speed is
C.Ratio of rms speed to average speed is
D.Ratio of rms speed to average speed is of a molecule

Solution

Average speed
vrms =
rms speed
vrms =
=
∴

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