The ratio of the energies of the first three orbits is
Question 1
Q1. The ratio of the energies of the first three orbits is
Answer: 1 : 1/4 : 1/9
Explanation: The energy is proportional to 1/n², so the ratio is 1/1² : 1/2² : 1/3² = 1 : 1/4 : 1/9.