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1 week, 2 days ago

# Determine the Ratio of root mean square speed of Helium to Argon gas at the same temperature

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) $\frac{1}{{\sqrt{20}}}$

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S safeer
Answered 1 week, 1 day ago

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

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