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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a
800 ms−1
b
4003 m s−1
c
400 ms−1
d
4002 m s−1
answer is C.
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Detailed Solution
vRMS=3RTM, T and M do not change. Hence, vRMS remains same.