A wave delivers a power of 60 W uniformly over an area of 2 m^2. Its intensity is:

  1. 30 W/m^2
  2. 60 W/m^2
  3. 3 W/m^2
  4. 300 W/m^2
Answer

A) 30 W/m^2

I = PA = 602 = 30 W/m^2. SLO P-11-D-01 · Application

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