MDCAT Physics MCQ #3964

What is the condition for two waves to be coherent?

MDCAT Physics MCQ #3964

  1. Question 1

    Q1. What is the condition for two waves to be coherent?

    • A) Same frequency and constant phase difference
    • B) Same amplitude and frequency
    • C) Same wavelength and speed
    • D) Same amplitude and speed

    Answer: Same frequency and constant phase difference

    Explanation: Coherent waves have the same frequency and a constant phase difference. Option B is incorrect because amplitude is not a requirement for coherence.