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The r.m.s speed of the molecules of a ga...

The r.m.s speed of the molecules of a gas at `100^(@)C` is v. The temperature at which the r.m.s speed will be `sqrt3v` is

A

`546^(@)C`

B

`646^(@)C`

C

`746^(@)C`

D

`846^(@)C`

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