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Grade 12th passModern Physics

find the quantum number n corresponding to the exited state He+ ion if on transition to ground state that ion emits to photon in succession with wavelength 108.5nm and 30.4nm.

Profile image of Amit yadav
8 Years agoGrade 12th pass
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1 Answer

Profile image of Physics Expert
8 Years ago
Write the equation for the wavelength and calculate the quantum number for the first state.


Calculate the quantum number corresponding to the excited state.


Hence, the excited state of the He is 5th orbit.