engineering physics MCQ #340

The energy required to remove an electron from the ground state of a hydrogen-like atom is

engineering physics MCQ #340

  1. Question 1

    Q1. The energy required to remove an electron from the ground state of a hydrogen-like atom is

    • A) 13.6 Z eV
    • B) 13.6 Z² eV
    • C) 13.6 / Z eV
    • D) 13.6 / Z² eV

    Answer: 13.6 Z² eV

    Explanation: Ionization energy is proportional to Z², hence 13.6 Z² eV.