Four molecules of a gas have speeds `2, 4, 6` and `8 kms^(-1)` respectively. Calculate their average speed and root mean square speed.

Four molecules of a gas has speed 2, 4, 6 and 8 kms^(-1) respectively . Calculate their average speed and root mean square speed.

Four molecules of a gas have speeds 2, 4, 6 and 8 kms^(-1) respectively. Calculate their root mean square speed.

Three molecules of gas have their velocities 1,2,3, kms^(-1) respectively. Calculate their average and r.m.s speeds.

Four molecules of a gas have velocity 2, 4, 6 and 8 kms^(-1) , respectively. The ratio of their root mean velocity and average speed is :

Four molecules of a gas have velocity 2, 4, 6 and 8 kms^(-1) , respectively. The ratio of their root mean velocity and average speed is :

Four molecules of a gas have speeds of 1, 2, 3, 4 cm s^(-1) respectively. The root mean square velocity is

Four molecules of a gas have speed 1, 2, 3 and 4 km s^(-1) respectively. The value of rms speed of the molecules is (in km s^(-1) )

Four molecules of a gas have speed 1, 2, 3 and 4 km s^(-1) respectively. The value of rms speed of the molecules is (in km s^(-1) )