CBSE Class 12-science Answered
Find the intensity of EMW wave?
Asked by rajuharan | 12 Mar, 2017, 07:40: PM
Expert Answer
Intensity is the energy delivered per unit area per unit time.
Now, the energy transported by an electromagnetic wave is directly proportional to the square of the amplitude E2, of the wave.
Hence, the intensity is 
where c is the speed of light and μ0 is the permeability of free space.
Answered by Romal Bhansali | 14 Mar, 2017, 10:31: AM
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