JEE Main 20199 Apr, Evening shiftPhysicsEasyAtoms and Nuclei183× since 2002A He⁺ ion is in its first excited state. Its ionization energy is :-AOption A. 13.60 eVBOption B. 6.04 eVCOption C. 48.36 eVDOption D. 54.40 eVCheckSkip · show solution
