The ratio of de-Broglie wavelengths of molecules of hydrogen and heliu – McqOptions

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1.	The ratio of de-Broglie wavelengths of molecules of hydrogen and helium which are at temperature 27oC and 127oC respectively is
A.	\[\frac{1}{2}\]
B.	\[\sqrt{\frac{3}{8}}\]
C.	\[\sqrt{\frac{8}{3}}\]
D.	1
Answer» D. 1

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