Q. For ionizing an excited hydrogen atom, the energy required (in $eV$) will be
A) A little less then 13.6
B) 13.6
C) More than 13.6
D) 3.4 or less
Explanation
(d) Energy required for ionizing an excited hydrogen atom = ionization energy – excitation energy
$= 13.6 - 10.2 = 3.4eV$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.