engineering physics MCQ #427

The radius of the nth orbit is given by rn = n²a0. What is the radius of the 2nd orbit?

engineering physics MCQ #427

  1. Question 1

    Q1. The radius of the nth orbit is given by rn = n²a0. What is the radius of the 2nd orbit?

    • A) 2a0
    • B) 4a0
    • C) 8a0
    • D) 16a0

    Answer: 4a0

    Explanation: Substitute n = 2 in the given formula to get r2 = 4a0.