engineering physics MCQ #494

The ratio of the radii of the first and second orbits is

engineering physics MCQ #494

  1. Question 1

    Q1. The ratio of the radii of the first and second orbits is

    • A) 1 / 4
    • B) 1 / 2
    • C) 1 / 3
    • D) 1 / 9

    Answer: 1 / 4

    Explanation: Using the Bohr model radius formula: r ∝ n², r1 / r2 = 1² / 2² = 1 / 4.