In the two slit interference pattern, what happens to the separation distance be

Question

In the two slit interference pattern, what happens to the separation distance between bright spots as the slits are moved closer together?
A) They move closer together B) They move further apart C) Nothing In the two slit interference pattern, what happens to the separation distance between bright spots as the slits are moved closer together?
A) They move closer together B) They move further apart C) Nothing In the two slit interference pattern, what happens to the separation distance between bright spots as the slits are moved closer together?
A) They move closer together B) They move further apart C) Nothing

Explanation / Answer

Here ,

distance between the bright fringes is given as

y = wavelength*D/d

D is the screen distance

d is the slit width

Now, as d is decreased, y will increase

hence , the bright fringes will B) They move further apart

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