Jee Main
Geometrical Optics
JEE Main 2023 (Online) 11th April Morning Shift
INTEGER+4 / -12023
The radius of curvature of each surface of a convex lens having refractive index 1.8 is \(20 \mathrm{~cm}\). 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 \(x: 1\). The value of \(x\) is _________.