If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy required to remove the electron from the first excited state of Li⁺⁺ is

Options

(a) 122.4 eV
(b) 30.6 eV
(c) 13.6 eV
(d) 3.4 eV

Correct Answer:

30.6 eV

Explanation:

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