Source one creates a wave with amplitude A and intensity I0 at point P. Source two...
Source one creates a wave with amplitude A and intensity
I0 at point P.
Source two creates a wave that has amplitude 2A at point P.
Waves one and two maximally constructively interfere at point
P.
The intensity at point P is IP.
What is the ratio of IP/I0 when waves one and
two are maximally constructively interfering at point P?
Homework Answers
The two waves maximally constructively interfere at point P.
Hence the amplitude of the resulting wave at the point P = A + 2A = 3A
The intensity at a point is directly proportional to the square of the amplitude of the wave.
Therefore, 
and 
Dividing both to get the ratio,
Add Answer to:
Source one creates a wave with amplitude A and intensity
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