Question

The energy of a hydrogen atom in the ground state is $-13.6 eV.$ The energy of $He^+$ ion in the first excited state will be

• A. -13.6 eV
• B. 27.2 eV
• C. -54.4 eV
• D. -6.8 eV

Answer 1

Answer: (A)

-13.6 eV

Answer 2

The correct option is (A): -13.6 eV