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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Atoms
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Q)

The ratio of de-Broglie wavelength of moleculus of hydrogen and helium in two gas jars kept separately at temperatures $\;27^{0} C\;$ and $\;127^{0} C\;$ respectively is

$(a)\;\large\frac{2}{\sqrt{3}}\qquad(b)\;2:3 \qquad(c)\;\large\frac{\sqrt{3}}{4}\qquad(d)\;\sqrt{\large\frac{8}{3}}$

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