Some frequencies of the lines in the spectrum of ion are shown in the table

CHEMISTRY · Subjective · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

Some frequencies of the lines in the spectrum of He+\text{He}^+ ion are shown in the table. Determine the convergence limit and ionization energy of the He+\text{He}^+ ion.
Excited energy level ( nn )Frequency, f/×10−15 s−1f / \times 10^{-15} \text{ s}^{-1}
29.87
311.72
412.36
512.66
612.82

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