A wave delivers a power of 1000 W uniformly over an area of 4 m^2. Its intensity is:

  1. 2500 W/m^2
  2. 500 W/m^2
  3. 25 W/m^2
  4. 250 W/m^2
Answer

D) 250 W/m^2

I = PA = 10004 = 250 W/m^2. SLO P-11-D-01 · Application

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