Total energy of electron in an excited state of hydrogen atom is -3.4 eV. The kinetic and this state potential energy of electron in this state
(1) K = 3.4 eV U = -6.8 eV
(2) K = + 10.2 eV U = -13.6 eV
(3) K = -3.4 eV U = -6.8 eV
(4) K= -6.8 eV U = +3.4 eV
