engineering physics MCQ #313

The wavelength of the radiation emitted when an electron jumps from n = ∞ to n = 2 is

engineering physics MCQ #313

  1. Question 1

    Q1. The wavelength of the radiation emitted when an electron jumps from n = ∞ to n = 2 is

    • A) 364.6 nm
    • B) 410.2 nm
    • C) 434.1 nm
    • D) 656.3 nm

    Answer: 364.6 nm

    Explanation: Using Rydberg's formula, 1 / λ = R * (1 / 2² - 1 / ∞²), we get λ = 364.6 nm.