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A container is filled with a sample of gas having n molecules with speed a, 20, 30, . n The ratio of aver
speed to root mean square speed is
(n+1)
3(n+1)
2(2n+1)
(2)
2(2n+1)
5(2n+2)
(3)
7(3n+1)
3(n+2)
(4)
V5(3n+2)

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