The relationship among most probable velocity,average velocity,and root mean square velocity is respectively:
- A$ \sqrt{2} : \sqrt{8/\pi} : \sqrt{3} $
- B$ \sqrt{3} : \sqrt{8/\pi} : \sqrt{2} $
- C$ \sqrt{8/\pi} : \sqrt{3} : \sqrt{2} $
- D$ \sqrt{2} : \sqrt{3} : \sqrt{8/\pi} $
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