The rms speed of the molecules of a gas of density 4 kg m^(-3) and pressure 1.2xx10^(5) N m^(-2) is:

The rms speed of the molecules of a gas of density 4 kg m^(-3) and pre

1.	The rms speed of the molecules of a gas of density 4 kg m^(-3) and pressure 1.2xx10^(5) N m^(-2) is:
Answer» `120m s^(-1)` `300 m s^(-1)` `600m s^(-1)` `900 m s^(-1)` Answer :B