The rms velocity of a particle is v at pressure p. If the pressure increases by two times , then the rms velocity will be
The rms velocity of a particle is v at pressure p. If the pressure increases by two times , then the rms velocity will be
A. 4 v
B. 2 v
C. v
D. 0.5v
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Correct Answer - C
The rms velocity of gas molecules is given by
`v_("rms")=sqrt((3RT)/(M))`
`"so " v_("rms")propsqrt(T)`
As rms velocity is independent of pressure , Hence there will be no change in rms velocity.
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