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Geometrical Optics question

2023 · 11 Apr · Shift 1 · Q74
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Geometrical Optics question

2023 · 11 Apr · Shift 1 · Q74

JEE MainPhysicsGeometrical OpticsNumerical+4 / −1
The radius of curvature of each surface of a convex lens having refractive index 1.8 is 20 cm20 \mathrm{~cm}20 cm. The lens is now immersed in a liquid of refractive index 1.5 . The ratio of power of lens in air to its power in the liquid will be x:1x: 1x:1. The value of xxx is ‾\underline{\hspace{2cm}}​.
Numerical answer
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