engineering physics MCQ #375

The energy levels of hydrogen atom are given by En = -13.6 / n² eV. What is the energy difference between n = 3 and n = 4?

engineering physics MCQ #375

  1. Question 1

    Q1. The energy levels of hydrogen atom are given by En = -13.6 / n² eV. What is the energy difference between n = 3 and n = 4?

    • A) 0.66 eV
    • B) 1.06 eV
    • C) 0.85 eV
    • D) 1.36 eV

    Answer: 0.66 eV

    Explanation: Calculate E3 - E4 = (-1.51 eV) - (-0.85 eV) = 0.66 eV.