The total energy of an electron in the first excited state of hydrogen atom is about -3.4 eV. Its kinetic energy in this state is
(a) 3.4eV
(b) 6.8eV
(c) -3.4 eV
(c) -6.8 eV
The total energy of an electron in the first excited state of hydrogen atom is about -3.4 eV. Its kinetic energy in this state is
(a) 3.4eV
(b) 6.8eV
(c) -3.4 eV
(c) -6.8 eV










