Wave OpticsHard
Question
Two coherent point sources S1 and S2 are separated by a small distance ′d′ as shown. The fringes obtained on the screen will be :
Options
A.points
B.straight lines
C.semi-circles
D.concentric circles
Solution
For bright fringe S1P - S2P = n λ
So fringes are concentric circles (centre of origin)
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