engineering physics MCQ #508

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

engineering physics MCQ #508

  1. Question 1

    Q1. The energy of a 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) 1.51 eV

    Answer: 1.89 eV

    Explanation: Calculate E3 and E2 using En = -13.6 / n² eV, then find the difference E3 - E2.