MDCAT Physics MCQ #341

What happens when a photon with energy less than ΔE collides with an atom?

MDCAT Physics MCQ #341

  1. Question 1

    Q1. What happens when a photon with energy less than ΔE collides with an atom?

    • A) Photon is absorbed
    • B) Electron jumps to higher level
    • C) Photon passes through
    • D) Atom ionizes

    Answer: Photon passes through

    Explanation: Insufficient energy prevents absorption; A fails as ΔE must match.