CUET Preparation Today
An electron in the n = 1 orbit of hydrogen atom is bound by 13.6 eV. If a hydrogen atom is in the n = 3 state, how much energy is required to ionize it |
13.6 eV 4.53 eV 3.4 eV 1.51 eV |
1.51 eV |
Required energy $E_3=\frac{+13.6}{3^2}=1.51 eV$ |
