A physicist studies the Zeeman effect, which is the splitting of spectral lines in the presence of a magnetic field. What is the underlying reason for this phenomenon?
Q1. A physicist studies the Zeeman effect, which is the splitting of spectral lines in the presence of a magnetic field. What is the underlying reason for this phenomenon?
Answer: Quantum mechanical effects
Explanation: Quantum mechanical effects are responsible for the Zeeman effect, as they arise from the interaction between the magnetic field and the spin of the electrons.