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The atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas at -73oC

The atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas at -73oC is ‘M’ times that of the de Broglie wavelength of Ne at 727oC ‘M’ is.

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