engineering physics MCQ #331

The minimum energy required to ionize a hydrogen atom in n = 2 is

engineering physics MCQ #331

  1. Question 1

    Q1. The minimum energy required to ionize a hydrogen atom in n = 2 is

    • A) 3.4 eV
    • B) 13.6 eV
    • C) 10.2 eV
    • D) 12.1 eV

    Answer: 3.4 eV

    Explanation: Energy of n = 2 is -3.4 eV, so 3.4 eV is required to ionize.