A) \[{{d}^{2}}\]
B) \[d\]
C) \[\sqrt{d}\]
D) \[1/\sqrt{d}\]
Correct Answer: D
Solution :
[d] The expression of root mean square speed is \[{{u}_{rms}}=\sqrt{\frac{3RT}{M}}=\sqrt{\frac{3p{{V}_{m}}}{M}}\] \[=\sqrt{\frac{3p}{M/{{V}_{m}}}}=\sqrt{\frac{3p}{d}}\]
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