Optics: JEE Main 2022 Physics question

JEE Main 2022 · 28 Jul, Evening shift · Q7050

JEE Main 202228 Jul, Evening shiftPhysicsMediumOptics190× since 2002

The power of a lens (biconvex) is

1.25 \mathrm{~m}^{-1}

in particular medium. Refractive index of the lens is 1.5 and radii of curvature are

20 \mathrm{~cm}

and

40 \mathrm{~cm}

respectively. The refractive index of surrounding medium:

JEE Main 2022 · 28 Jul, Evening shift · Q7050

JEE Main 202228 Jul, Evening shiftPhysicsMediumOptics190× since 2002

The power of a lens (biconvex) is

1.25 \mathrm{~m}^{-1}

in particular medium. Refractive index of the lens is 1.5 and radii of curvature are

20 \mathrm{~cm}

and

40 \mathrm{~cm}

respectively. The refractive index of surrounding medium:

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