42 If potential energy of electron in ground state is

Last updated: 6/14/2023

42 If potential energy of electron in ground state is considered to be zero in hydrogen atom Total energy of electron in second excited state is 1 1 5 eV 2 12 1 eV 3 24 2 eV 4 25 7 eV 3 Density of nucleus is of the order of 1 106 kg m C