Example 9 8 i If f 0 5 m for a glass lens what is the power

Last updated: 6/9/2023

Example 9 8 i If f 0 5 m for a glass lens what is the power of the lens ii The radii of curvature of the faces of a double convex lens are 10 cm and 15 cm Its focal length is 12 cm What is the refractive index of glass iii A convex lens has 20 cm focal length in air What is focal length in water Refractive index of air water 1 33 refractive index for air glass 1 5