engineering physics MCQ #599

The wavelength of the first line of Lyman series is 121.6 nm. What is the wavelength of the second line of Lyman series?

engineering physics MCQ #599

  1. Question 1

    Q1. The wavelength of the first line of Lyman series is 121.6 nm. What is the wavelength of the second line of Lyman series?

    • A) 102.6 nm
    • B) 121.6 nm
    • C) 97.3 nm
    • D) 91.2 nm

    Answer: 102.6 nm

    Explanation: For the second line of Lyman series, 1 / λ = R * (1 / 1² - 1 / 3²), λ = 102.6 nm.