engineering physics MCQ #345

The radius of the nth orbit is given by rn = n² * r1. What is the radius of the 4th orbit if r1 = 0.53 Å?

engineering physics MCQ #345

  1. Question 1

    Q1. The radius of the nth orbit is given by rn = n² * r1. What is the radius of the 4th orbit if r1 = 0.53 Å?

    • A) 8.48 Å
    • B) 4.24 Å
    • C) 2.12 Å
    • D) 1.06 Å

    Answer: 8.48 Å

    Explanation: Using rn = n² * r1, for n = 4, r4 = 4² * 0.53 = 8.48 Å.