1.In a hydrogen atom, if the energy of electron in theground state is

1.	1.In a hydrogen atom, if the energy of electron in theground state is - eV., then that in the 2nd excitedstate of He is(1) -x eV(2) -4/9xev(3) +2x eV(4) -9/4xev
Answer» ANSWER: CORRECT answer is 2 if U SEE this that is 2

1.In a hydrogen atom, if the energy of electron in theground state is - eV., then that in the 2nd excitedstate of He is(1) -x eV(2) -4/9xev(3) +2x eV(4) -9/4xev

Answer»

CORRECT answer is 2 if U SEE this that is 2