The molecular weights of two gases are M_(1) and M_(2) ,then at a temperature the ratio of root mean square velocity v_(1) and v_(2) will be

The molecular weights of two gases are M_(1) and M_(2) ,then at a temp

1.	The molecular weights of two gases are M_(1) and M_(2) ,then at a temperature the ratio of root mean square velocity v_(1) and v_(2) will be
Answer» `SQRT(M_1/M_2)` `sqrt(M_2/M_1)` `sqrt((M_1+M_2)/(M_1-M_2))` `sqrt((M_(1)-M_(2))/(M_(1)+M_(2))` ANSWER :B