At a given temperature, ratio of root mean square velocities of two different gases of molecular weights `M_(1) and M_(2)` respectively is
At a given temperature, ratio of root mean square velocities of two different gases of molecular weights `M_(1) and M_(2)` respectively is
A. `sqrt((M_(1))/(M_(2)))`
B. `sqrt((M_(2))/(M_(1)))`
C. `(M_(1))/(M_(2))`
D. `(M_2)/(M_(1))`
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