How does the fringe width, in Young’s double-slit experiment, change when the distance of separation between the slits and screen is doubled?
How does the fringe width, in Young’s double-slit experiment, change when the distance of separation between the slits and screen is doubled?
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The fringe width is
β = λD/d
If D (distance between slits and screen) is doubled, then fringe width will be doubled.
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