The ratio among most probable velocity, mean velocity and root mean square velocity is given by(...

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The ratio among most probable velocity, mean velocity and root mean square velocity is given by(1) \( 1: 2: 3 \)(2) \( 1: \sqrt{2}: \sqrt{3} \)(3) \( \sqrt{2}: \sqrt{3}: \sqrt{8 / \pi} \)(4) \( \sqrt{2}: \sqrt{8 / \pi}: \sqrt{3} \)
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