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 ?

The RMS velocities of two gases at the same temperature are u_1 and u_2 their masses are m_1 and m_2 respectively. Which of the following expression is correct?

Molecular velocities of two gases at the same temperature (T) are u_1 and u_2 . Their masses are m_1 and m_2 respectively. Which of the following expressions is correct at temperature T ?

Root mean square velocities of the two gases at the same temperature are u_(1) and u_(2) . The molar masses are m_(1) and m_(2) respectively. Which of the following expression is CORRECT ?

If the molecular weight of two gases are M_(1) and M_(2) then at a temperature the ratio of rms velocity C_(1) and C_(2) will be

The lateral magnification of the lens with an object located at two different position u_(1) and u_(2) are m_(1) and m_(2) , respectively. Then the focal length of the lens is