The temperature of an ideal gas is increased from 120 K to 480K. If at 120 K the root mean square velocity of the gas molecules is v , at 480 K it becomes

The temperature of an ideal gas is increased from 120 K to 480K. If at

1.	The temperature of an ideal gas is increased from 120 K to 480K. If at 120 K the root mean square velocity of the gas molecules is v , at 480 K it becomes
Answer» 4 v 2 v v/2 v/4 Answer :B