Optics 6 Question 13

15. Two coherent point sources S1 and S2 are separated by a small distance d as shown. The fringes obtained on the screen will be

(2013 Main)

(a) points

(b) straight lines

(c) semi-circle

(d) concentric circles

Show Answer

Solution:

  1. A fringe is a locus of points having constant path difference from the two coherent sources S1 and S2. It will be concentric circle.


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