A) 1 : 2 : 3
B) \[1:\sqrt{2}:\sqrt{3}\]
C) \[\sqrt{2}:\sqrt{3}:\sqrt{8/\pi }\]
D) \[\sqrt{2}:\sqrt{8/\pi }:\sqrt{3}\]
Correct Answer: D
Solution :
most probable velocity : mean velocity : Vrms \[=\sqrt{\frac{2RT}{M}}:\sqrt{\frac{8RT}{\pi M}}:\sqrt{\frac{3RT}{M}}\] \[=\sqrt{2}:\sqrt{\frac{8}{\pi }}:\sqrt{3}\]
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