Question

In Young's double slit experiment, the path difference between two
52
interfering waves at a point on the screen is à being wavelength of
2
the light used. The _________
dark fringe will lie at this point.​

Answer 1

Answer:

Given,

Path difference Δx=

2

5λ

___(I)

For n

th

dark fring Δx=(2n−1)

2

λ

___(II)

On comparing equation (I) & (II)

2n−1=5

n=3

Explanation:

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