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Last Updated On 16-03-2023 - By Jeesha Sara

In Young’s double-slit experiment, an interference pattern is obtained on a screen by a light of wavelength , coming from the coherent sources  and . At certain point  on the screen third dark fringe is formed. Then the path difference  in microns is

a)

0.75

b)

1.5

c)

3.0

d)

4.5


Question ID - 150096 :-

In Young’s double-slit experiment, an interference pattern is obtained on a screen by a light of wavelength , coming from the coherent sources  and . At certain point  on the screen third dark fringe is formed. Then the path difference  in microns is

a)

0.75

b)

1.5

c)

3.0

d)

4.5

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

For dark fringe at

Here  and

So,



Next Question :

In Young’s double slit experiment a minima is observed when path difference between the interfering beam is

a)

b)

c)

d)


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