Two coherent point sources S _ 1 and S _ 2 are separated by a small...

Two coherent point sources ${S}_{1}$ and ${S}_{2}$ are separated by a small distance $d$ as shown in the figure. The fringes obtained on the screen will be

Two coherent point sources S _ 1 and S _ 2 are separated by a small distance d as shown in the figure. The fringes

Options

Asemi-circles
Bconcentric circles
Cpoints
Dstraight lines

Correct answer

B. concentric circles

Step-by-step solution

Path difference on circles around

P

is same. So, The fringes obtained on the screen in the given condition will be concentric circles.

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