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Sahay Sir > Question Answers > JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 > Chemistry > Chapter 2 - Atomic Structure > Atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas −73 degree C is “M” times that of the de Broglie wavelength of Ne at 727 degree C. What is the value of M?

Atomic masses of He and Ne are 4 and 20 amu respectively. The value of the de Broglie wavelength of He gas −73 degree C is “M” times that of the de Broglie wavelength of Ne at 727 degree C. What is the value of M?

at a distance r from the nucleus. The volume of this shell is 4 πr^2 dr. The qualitative sketch of the dependence of P on r is dr P is the probability of finding the 1s electron of hydrogen atom in a spherical shell of infinitesimal thickness