The energy of $\mathrm{He}^{+}$ ion in its first excited state is, (The ground state energy for the Hydrogen atom is $-13.6 ~\mathrm{eV})$ :

Question

$-13.6 ~\mathrm{eV}$

$-27.2 ~\mathrm{eV}$

$-3.4 ~\mathrm{eV}$

$-54.4 ~\mathrm{eV}$

Please login to view the detailed solution steps...