The r.m.s speed of the molecules of a gas in a vessel is 400 m/s. If half of the gas leaks out at constant temperature, the r.m.s speed of the remaining molecules will be

Options

(a) 800 m/s
(b) 400 √2 m/s
(c) 400 m/s
(d) 200 m/s

Correct Answer:

400 m/s

Explanation:

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