If the binding energy of the electron in a hydrogen atom is \( 13.6 \mathrm{eV} \), the energy r....

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If the binding energy of the electron in a hydrogen
\( \mathrm{P} \)
atom is \( 13.6 \mathrm{eV} \), the energy required to remove the electron from the first excited state of \( \mathrm{Li}^{++} \)is
(1) \( 30.6 \mathrm{eV} \)
(2) \( 13.6 \mathrm{eV} \)
(3) \( 3.4 \mathrm{eV} \)
(4) \( 122.4 \mathrm{eV} \)


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