The ratio of de-Broglie wavelength of molecules of hydrogen and helium which are at temperatures $27^{\circ}…

The ratio of de-Broglie wavelength of molecules of hydrogen and helium which are at temperatures $27^{\circ} \mathrm{C}$ and $127^{\circ} \mathrm{C}$ respectively is
  1. $\begin{aligned} & 2: 3\end{aligned}$
  2. $\begin{aligned} & 2 \sqrt{2}: \sqrt{3} \end{aligned}$
  3. $\begin{aligned} & \sqrt{3}: 2 \sqrt{2}\end{aligned}$
  4. $\begin{aligned}& \sqrt{2}: \sqrt{3}\end{aligned}$

Solution

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Asked in: AP EAMCET 2017 (26 Apr Shift 2)

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