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Two coherent point sources S(1) and S(2)...

Two coherent point sources `S_(1) and S_(2)` separted by a small distance 'd' are as shown. The fringes obtained on the screen will be :

A

points

B

straight lines

C

semi-circles

D

concentric circle

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The correct Answer is:
D
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ALLEN-WAVE OPTICS-Exercise 5 A (Previous Years Questions)
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