engineering physics MCQ #498

The wavelength of the second line of Balmer series is

engineering physics MCQ #498

  1. Question 1

    Q1. The wavelength of the second line of Balmer series is

    • A) 486 nm
    • B) 434 nm
    • C) 410 nm
    • D) 656 nm

    Answer: 434 nm

    Explanation: Use 1 / λ = R (1 / 2² - 1 / 4²) to calculate the wavelength of the second line of Balmer series.