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N molecules each of mass m of gas A and ...

N molecules each of mass m of gas A and 2N molecules each of mass 2m of gas B are contained in the vessel which is maintained at a temperature T. The mean square of velocity of the molecules of B type is denoted by `v^(2)` and the mean square of the x-component of the velocity of A type is denoted by `w^(2).` The ratio of `w^(2):v^(2)` is

A

1

B

2

C

`(1)/(3)`

D

`(2)/(3)`

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The correct Answer is:
D
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