For a large number of molecules of a given gas at a specific temperature, the ratio of the most probable speed (), average speed (), and root mean square speed () is exactly:

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Question

For a large number of molecules of a given gas at a specific temperature, the ratio of the most probable speed ($\alpha_{mp}$), average speed ($v_{av}$), and root mean square speed ($u_{rms}$) is exactly:

Prashant Kotian · Accepted Answer

Correct answer: A. The formulas are , , and . Taking the ratio , which simplifies to exactly .

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