White light is used to illuminate the two slits in a Young′s double slit experiment. The separ

Question

White light is used to illuminate the two slits in a Young&#8242;s double slit experiment. The separation between the slits is b and the screen is at a distance d ( >> b) from the slits. At a point on the screen directly in front of the one of the slits, certain wavelength are missing. Some of these missing wavelength are

Accepted Answer

At P (directly infront of S1) y = &#8756; Path difference, &#5123; X = S2P - S1P Those wavelength will be missing for which &#5123;X = ..... &#8756; &#955;1 = 2&#5123;x = &#955;2 = &#955;3 = Correct options are (a) and (c).

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