The ratio of the R.M.S. Velocities of Hydrogen and Oxygen molecules at the same temperature is

The ratio of the R.M.S. Velocities of Hydrogen and Oxygen molecules at

1.	The ratio of the R.M.S. Velocities of Hydrogen and Oxygen molecules at the same temperature is
Answer» `4:1` `1:4` `8:1` `1:8` ANSWER :A