Root mean square velocity of a gas molecule is proprotional to

Options

A. `m^(1//2)`
B. `m^(0)`
C. `m^(-1//2)`
D. `m`

Answer

C

Explanation

`V_(rms)=sqrt((3KT)/("Molecular weight"))` i.e `V_(rms) prop(1)/(sqrt(m)) prop(m)^(-(1)/(2))`