question_answer

N molecules each of mass m of gas A and 2N molecules each of mass 2m of gas B are contained in the same vessel at temperature T. The mean square of the velocity of molecules of gas B is \[{{V}^{2}}\] and the mean square of x- component of the velocity of molecules of gas A is\[{{w}^{2}}\]. The ratio \[{{w}^{2}}/{{V}^{2}}\,\] is-

A) 1                                 

B) 2

C) \[\frac{3}{2}\]                          

D) \[\frac{2}{3}\]