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The molecules of a gas A travel four tim...

The molecules of a gas `A` travel four times faster than the molecules of gas `B` at same temperature. The ratio of molecular weights `(M_(A)//M_(B))` is

A

`1//16`

B

`4`

C

`1//4`

D

`16`

Text Solution

Verified by Experts

The correct Answer is:
A
`(r_(1))/(r_(2))=(x_(1))/(x_(2))=sqrt((M_(2))/(M_(1)))=4`
`(M_(2))/(M_(1))=16 (M_(1))/(M_(2))=(1)/(16)`
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