In Young’s double-slit experiment

PHYSICS · Single correct · CBSE · Physics · Wave Optics · Wave Optics

Problem

In Young’s double-slit experiment, the fringe width

β

on the screen is given by which one of the following expressions? (a)

β = \dfrac{λD}{d}

(b)

β = \dfrac{dD}{λ}

(c)

β = \dfrac{λd}{D}

(d)

β = \dfrac{λD}{2d}