MDCAT Physics MCQ #342

The Heisenberg uncertainty principle explains

MDCAT Physics MCQ #342

  1. Question 1

    Q1. The Heisenberg uncertainty principle explains

    • A) Spectral line sharpness
    • B) Line broadening due to random atomic motion
    • C) Energy quantization
    • D) Photon emission direction

    Answer: Line broadening due to random atomic motion

    Explanation: Uncertainty in position/momentum causes line width; A fails as it’s a different broadening mechanism.