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Determine the Ratio of root mean square speed of Helium to Argon gas at the same temperature (MHe = 4U & MAr = 40 U)

(1) \frac{1}{\sqrt{10}} (2) {\sqrt{10}} (3){\sqrt{20}}(4) \frac{1}{{\sqrt{20}}}

Answers (1)

Ratio of root mean square speed of Helium to Argon gas at the same temperature can be calculated by using this formula:

v_{rms}\propto \frac{1}{\sqrt{M}}\\\frac{v_{rms_1}}{v_{rms_2}}=\sqrt{\frac{M_2}{M_1}}=\sqrt{10}

 

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Safeer PP

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