Consider the superposition of N harmonic waves of equal amplitude and frequency. If N is a very large number determine the resultant intensity in terms of the intensity (I 0 ) of each component wave for the conditions when the component waves have identical phases.
A
NI 0
B
N 2 I 0
C
D
I 0
Text Solution
Verified by ExpertsThe correct answer is:
B
Resultant amplitude 
NA
Resultant intensity 
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