MDCAT Physics MCQ #4006

Two waves have amplitudes 3 cm and 4 cm. Calculate their resultant amplitude if they are in phase.

MDCAT Physics MCQ #4006

  1. Question 1

    Q1. Two waves have amplitudes 3 cm and 4 cm. Calculate their resultant amplitude if they are in phase.

    • A) 1 cm
    • B) 5 cm
    • C) 7 cm
    • D) 12 cm

    Answer: 7 cm

    Explanation: Constructive interference adds amplitudes. Option B uses Pythagorean sum.