engineering physics MCQ #601

The energy required to excite an electron from n = 1 to n = ∞ is

engineering physics MCQ #601

  1. Question 1

    Q1. The energy required to excite an electron from n = 1 to n = ∞ is

    • A) 10.2 eV
    • B) 13.6 eV
    • C) 12.09 eV
    • D) 1.51 eV

    Answer: 13.6 eV

    Explanation: Energy required = E∞ - E1 = 0 - (-13.6) = 13.6 eV.