engineering physics MCQ #456

The series limit of the Lyman series is given by 1 / λ = R * (1 / 1²). What is λ?

engineering physics MCQ #456

  1. Question 1

    Q1. The series limit of the Lyman series is given by 1 / λ = R * (1 / 1²). What is λ?

    • A) 91.2 nm
    • B) 121.6 nm
    • C) 102.6 nm
    • D) 656.3 nm

    Answer: 91.2 nm

    Explanation: 1 / λ = R * (1 / 1²) = R. λ = 1 / R = 91.2 nm, using R = 1.097 * 10^7 m^-1.