Test Academy | The rms speed of the molecules of a gas in a vessel is 400 ms⁻¹. If half of the gas leaks out at constant temperature, the rms speed of the remaining molecules will be 800 ms⁻¹, 400 √2 ms⁻¹, 400 ms⁻¹, 200 ms⁻¹

Question

The rms speed of the molecules of a gas in a vessel is 400 ms⁻¹. If half of the gas leaks out at constant temperature, the rms speed of the remaining molecules will be

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