Two gases have densities in the ratio 2:3 and pressure exerted are in the ratio 3:2. then the ratio of their RMS velocity is
A. `2:3`
B. `3:2`
C. `1:3`
D. `6:8`

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1 Answers

Correct Answer - B
`(C_(1))/(C_(2))=sqrt((rho_(2))/(rho_(1))xx(P_(1))/(P_(2)))`
`=sqrt((3)/(2)xx(3)/(2))=(3)/(2)`.
`(C_(1))/(C_(2))=(3)/(2)`.

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