The molecular velocities of two gases at same temperature are `u_(1)` and `u_(2)`, their masses are `m_(1)` and `m_(2)` respectively, which of the following expression is correct ?

Options

A. `(m_(2))/(u_(1)^(2)) = (m_(2))/(u_(2)^(2))`
B. `m_(1)u_(1) = M_(2)u_(2)`
C. `(m_(1))/(u_(1)) = (m_(2))/(u_(2))`
D. `m_(1)u_(1)^(2) = m_(2)u_(2)^(2)`

Answer

D

Explanation

Use the expression `u = ((3RT)/(M))^(1//2)`