If the fringe width obtained in Young's double slit experiment is $ 1.33 \mathrm{~mm} $, then on immersing the whole set up in water with refractive index $ 1.33 $, new fringe width will be

Question

If the fringe width obtained in Young's double slit experiment is $ 1.33 \mathrm{~mm} $, then on immersing the whole set up in water with refractive index $ 1.33 $, new fringe width will be, Does not change, $ 1.0 \mathrm{~mm} $, $ 2.0 \mathrm{~mm} $, $ 2.69 \mathrm{~mm} $

MARKS App · Accepted Answer

β ′ = β μ = 0.133 1.33 = 0.1 c m = 1 m m

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