NEETWave OpticsMedium
Question
In Young′s experiment, monochromatic light through a single slit S is used to illuminate the two slits S1 and S2. Interference fringes are obtained on a screen. The fringe width is found to be w. Now a thin sheet of mica (thickness t and refractive index m) is placed near and in front of one of the two slits. Now the fringe width is found to be w′, then :
Options
A.w′ = w/μ
B.w′ = wμ
C.w′ = (μ − 1)tw
D.w′ = w
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