engineering physics MCQ #310

The energy of the photon emitted when an electron jumps from n = 3 to n = 2 is

engineering physics MCQ #310

  1. Question 1

    Q1. The energy of the photon emitted when an electron jumps from n = 3 to n = 2 is

    • A) 1.89 eV
    • B) 2.55 eV
    • C) 3.4 eV
    • D) 4.09 eV

    Answer: 1.89 eV

    Explanation: Using Bohr's model, ΔE = E3 - E2 = -1.51 - (-3.4) = 1.89 eV.