A) \[{{V}_{N}}>{{V}_{O}}>{{V}_{H}}\]
B) \[{{V}_{H}}>{{V}_{N}}>{{V}_{O}}\]
C) \[{{V}_{O}}={{V}_{N}}={{V}_{H}}\]
D) \[{{V}_{O}}>{{V}_{H}}>{{V}_{N}}\]
Correct Answer: B
Solution :
[b] \[{{v}_{rms\,}}\propto \frac{1}{\sqrt{M}}\]Þ\[{{V}_{H}}<{{V}_{N}}<{{V}_{O}}\] (\[\because \,\,\,{{M}_{H}}<{{M}_{N}}<{{M}_{O}}\])
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