Optics: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jul, Morning shift · Q8447

JEE Main 202226 Jul, Morning shiftPhysicsEasyOptics190× since 2002

In Young's double slit experiment, the fringe width is

12 \mathrm{~mm}

. If the entire arrangement is placed in water of refractive index

\frac{4}{3}

, then the fringe width becomes (in mm):

JEE Main 2022 · 26 Jul, Morning shift · Q8447

JEE Main 202226 Jul, Morning shiftPhysicsEasyOptics190× since 2002

In Young's double slit experiment, the fringe width is

12 \mathrm{~mm}

. If the entire arrangement is placed in water of refractive index

\frac{4}{3}

, then the fringe width becomes (in mm):

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