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Question

The root mean square velocity of an ideal gas at constant pressure varies with density (d) as:


Your Answer
A
d2
Your Answer
B
d
Your Answer
C
d
Correct Answer
D
1/d
 

Solution

The correct option is D 1/d
 
Root mean square velocity is given as:

μrms=3RTM

also, PM=dRT, where d is density

substituting for RT/M in μrms expression we get,

μrms=3Pd

So, μrms1d


 

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