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Root mean square speed of the molecules ...

Root mean square speed of the molecules of ideal gas is V. If pressure is increased two times at constant temperature , then the rms speed will become:

A

V

B

4V

C

`V/2`

D

2V

Text Solution

Verified by Experts

The correct Answer is:
A
Pressure has no effect on the rms speed of gas molecules. When pressure increases n times, density `rho` also increases n times. The ratio `P/rho` remains constant.
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