The radius of the nth orbit of hydrogen atom is given by rn = n²a0. What is the radius of the 2nd orbit?
Q1. The radius of the nth orbit of hydrogen atom is given by rn = n²a0. What is the radius of the 2nd orbit?
Answer: 4a0
Explanation: Substitute n = 2 in rn = n²a0 to get r2 = 2²a0 = 4a0.