Question

show that the ionisation potential for a hydrogen atom is 13.6V​

Answer 1

Answer:

ionisation potential of hydrogen atom is 13.6 eV. After absorbing 12.1 eV, the electron of H-atom is excited to 3rd shell. Thus, possible transitions we 3 i.e., 3 → 2, 2→1 and 3→1.03-Jan-2019