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Two gases have densities in the ratio 2:...

Two gases have densities in the ratio 2:3 and their pressures are in the ratio 3:2 at same temperature. The ratio of their r.m.s. velocities is

A

2:3

B

3:2

C

`sqrt2:sqrt3`

D

`sqrt3:sqrt2`

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The correct Answer is:
A
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