Wave OpticsHard
Question
In the figure shown of a parallel beam of white light is incident on the plane of the the slits then the distance of the only white spot on the screen from O is : [assume d < < D , < < d]
Options
A.0
B.d / 2
C.d / 3
D.d / 6
Solution
White spot will at the symmetrical point w.r.t slits distance from O will be, (2d/3) - (d/2) = d/6.
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