Problem

Ionization energy from first excited state of hydrogen atom is

E

. Match the following two columns for

\text{He}^+

atom.

Column I	Column II
(a) Ionization energy from ground state	(p) $4 E$
(b) Electrostatic potential energy in first excited state.	(q) $-16 E$
(c) Kinetic energy of electron in ground state.	(r) $-8 E$
(d) Ionization energy from first excited state.	(s) $16 E$