An Ideal Gas Is Held in a Container of Volume

Multiple Choice

An ideal gas is held in a container of volume V at pressure p.The rms speed of a gas molecule under these conditions is v.If now the volume and pressure are changed to 2V and 2p,the rms speed of a molecule will be

A) v/2.
B) v.
C) 2v.
D) 4v.
E) v/4.