engineering physics MCQ #562

The ratio of the wavelengths of the last lines of the Balmer and Lyman series is

engineering physics MCQ #562

  1. Question 1

    Q1. The ratio of the wavelengths of the last lines of the Balmer and Lyman series is

    • A) 4
    • B) 1 / 4
    • C) 27 / 5
    • D) 5 / 27

    Answer: 27 / 5

    Explanation: Using the Rydberg formula, we calculate the wavelengths of the last Balmer and Lyman lines and find their ratio to be 27 / 5.