In hydrogen atom, if the difference in the energy of the electron in n = 2 and n = 3 orbits is E, the ionization energy of hydrogen atom is

Q: In hydrogen atom, if the difference in the energy of the electron in n = 2 and n = 3 orbits is E, the ionization energy of hydrogen atom is

(a) 13.2 E

(b) 7.2 E

(c) 5.6 E

(d) 3.2 E

Ans: (b)