engineering physics MCQ #457

The ratio of the velocities of the electrons in the first and second orbits of hydrogen atom is

engineering physics MCQ #457

  1. Question 1

    Q1. The ratio of the velocities of the electrons in the first and second orbits of hydrogen atom is

    • A) 2 / 1
    • B) 1 / 2
    • C) 4 / 1
    • D) 1 / 4

    Answer: 2 / 1

    Explanation: v ∝ 1 / n. Ratio = v1 / v2 = (1/1) / (1/2) = 2/1.