MDCAT Physics MCQ #3985

The intensity of a wave is 0.02 W/m². What is its amplitude if the proportionality constant is 1?

MDCAT Physics MCQ #3985

  1. Question 1

    Q1. The intensity of a wave is 0.02 W/m². What is its amplitude if the proportionality constant is 1?

    • A) 0.1 m
    • B) 0.141 m
    • C) 0.2 m
    • D) 0.3 m

    Answer: 0.141 m

    Explanation: Intensity is proportional to amplitude^2. So, amplitude = sqrt(intensity) = sqrt(0.02) = 0.141 m. Option A is incorrect due to miscalculation.