A) \[\sqrt{2}:\sqrt{3}:\sqrt{8/\pi }\]
B) \[\sqrt{2}:\sqrt{8/\pi }:\sqrt{3}\]
C) \[\sqrt{8/\pi }:\sqrt{3}:\sqrt{2}\]
D) \[\sqrt{3}:\sqrt{8/\pi }:\sqrt{2}\]
Correct Answer: B
Solution :
Most probable speed \[(C*)=\sqrt{\frac{2RT}{M}}\] Average speed \[(\overline{C})=\sqrt{\frac{8RT}{\pi M}}\] \[C*:\overline{C}:=\sqrt{2}:\sqrt{\frac{8}{\pi }}:\sqrt{3}\]
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