MDCAT Physics MCQ #317

What causes the Stark effect in atomic spectra?

MDCAT Physics MCQ #317

  1. Question 1

    Q1. What causes the Stark effect in atomic spectra?

    • A) Magnetic fields splitting energy levels.
    • B) Electric fields perturbing electron orbits.
    • C) Photon pressure altering energy states.
    • D) Thermal expansion of atoms.

    Answer: Electric fields perturbing electron orbits.

    Explanation: Electric fields break spherical symmetry of electron clouds. Option A describes the Zeeman effect instead.