Physics - Heat & Thermo Question with Solution | TestHub

A mixture of 2 moles of helium gas (atomic mass $=4\mathrm{amu}$ ) and 1 mole of argon gas (atomic mass $=40\mathrm{amu}$ ) is kept at $300\mathrm{K}$ in a container. The ratio of the rms speeds $\left(\frac{v_{\mathrm{rms}}(\text{ helium })}{v_{\mathrm{rms}}(\mathrm{argon})}\right)$ is