Question

Distance between two successive bright fringes formed in Young's double slit experiment is

Answer 1

Answer:

The dark and light regions are called interference fringes, the constructive and destructive interference of light waves. The distance D (from the double slits to the screen) is very much greater than d, typically ~ 1 m. The fringe separation Δx is increased if distance to the screen D is increased.

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Answer 2

y=(nλD)d here n=0,±1,±2.......

y=fringe width / distance between two consecutive bright / dark fringe

λ= wave length of used light

D=distance between screen and slits

d=separation of slits