A gas of hydrogen like ions is prepared in a particular excited state A.

Question:

A gas of hydrogen like ions is prepared in a particular excited state A. It emits photons having wavelength equal to the wavelength of the first line of Lyman series together with photons of five other wavelengths. Identify the gas and find the principal quantum number of the state A.

Solution:

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Pranav
Oct. 18, 2022, 2:44 p.m.
how can one find that the gas is helium
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