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Question: In the young's double slit experiment, the intensity on the screen at a point where path difference ...

In the young's double slit experiment, the intensity on the screen at a point where path difference is l is k. What will be the intensity at the point where path difference is λ4\frac{\lambda}{4}

A

k4\frac{k}{4}

B

k2\frac{k}{2}

C

k

D

Zero

Answer

k2\frac{k}{2}

Explanation

Solution

I = Imax cos2 φ2\frac{\varphi}{2} \ I = k cos2 φ2\frac{\varphi}{2}