The intensity of a wave is defined as:

  1. force per unit area
  2. power per unit area perpendicular to the direction of travel
  3. amplitude squared
  4. energy per unit time
Answer

B) power per unit area perpendicular to the direction of travel

Unit W/m^2. SLO P-11-D-01 · Application

Physics MCQ · More Wave Intensity and the Doppler Effect MCQs · Practise