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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Wave Optics

Olympiad workbook · NSEP · Wave Optics

White light is used to illuminate two slits in Young's double sit...

White light is used to illuminate two slits in Young's double sit experiment. Separation between the two slits is

b

and the screen is at a distance

D(\gg b)

from the plane of slits. The wavelength missing at a point on the screen directly in front of one of the slits is

Options

A $\frac{2 b^2}{3 D}$
B $\frac{2 b^2}{D}$
C $\frac{b^2}{3 D}$
D $\frac{b^2}{2 D}$

Correct answer

C. $\frac{b^2}{3 D}$

Step-by-step solution

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