MDCAT Chemistry MCQ #774

The frequency of the radiation emitted when an electron falls from n=4 to n=1 in a hydrogen atom is?

MDCAT Chemistry MCQ #774

  1. Question 1

    Q1. The frequency of the radiation emitted when an electron falls from n=4 to n=1 in a hydrogen atom is?

    • A) 3.08 × 10^15 Hz
    • B) 2.47 × 10^15 Hz
    • C) 1.55 × 10^15 Hz
    • D) 3.29 × 10^15 Hz

    Answer: 3.08 × 10^15 Hz

    Explanation: ΔE = hf, corresponds to a specific transition frequency. Option D is for n=2 to n=1.