The ground state energy of hydrogen atom is $-13.6 ~\mathrm{eV}$. The energy needed to ionize hydrogen atom from its second excited state will be :

Question

$13.6 ~\mathrm{eV}$

$6.8 ~\mathrm{eV}$

$1.51 ~\mathrm{eV}$

$3.4 ~\mathrm{eV}$

Please login to view the detailed solution steps...