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RMS velocity of a particle is v(r.m.s.) ...

RMS velocity of a particle is `v_(r.m.s.)` at pressure P. If pressure is increased by two times, the r.m.s. velocity becomes:

A

`2v_(r.m.s)`

B

`3v_(r.m.s)`

C

`0.5 v_(r.m.s)`

D

`v_(r.m.s)`

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