engineering physics MCQ #523

The ratio of the energies of the first two orbits is

engineering physics MCQ #523

  1. Question 1

    Q1. The ratio of the energies of the first two orbits is

    • A) 1 / 4
    • B) 4
    • C) 1
    • D) 16

    Answer: 1 / 4

    Explanation: Using En = -13.6 / n² eV, E1 = -13.6 eV and E2 = -3.4 eV. The ratio E2 / E1 = (-3.4) / (-13.6) = 1 / 4.