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Two identical light waves, propagating in the same direction, have a phase difference d. After they superpose the intensity of the resulting wave will be proportional to (A) cos d (B) cos (d/2) (C) cos2 (d/2) (D) cos2d

Two identical light waves, propagating in the same direction, have a phase difference d. After they superpose the intensity of
the resulting wave will be proportional to
(A) cos d (B) cos (d/2) (C) cos2 (d/2) (D) cos2d

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
576-1734_as.PNG
Vikas TU
14149 Points
one year ago
Maximum intensity,
     I=4I0cos^2(δ/2)
⇒I∝cos^2(δ/2)................................................................

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