Question

The respective speeds of five molecules are 1, 2, 3, 4 and 5 km/s. The ratio of their rms velocity and the average velocity will be

(a) \(\sqrt{11}:3\)

(b) 3 : \(\sqrt{11}\)

(c) 1 : 2 

(d) 3 : 4

Answer 1

Answer is (a) \(\sqrt{11}:3\)