The number of spectral lines obtained when an electron jumps from 3rd shell to 1st shell in spectra of He+ ion is:
(a) 3
(b) 4
(c) 2
(d) None of these
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The number of spectral lines obtained when an electron jumps from 3rd shell to 1st shell in spectra of He+ ion is:
(a) 3
(b) 4
(c) 2
(d) None of these
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