QThe convex surface of a thin concavo convex lens of glass 1

Last updated: 6/9/2023

QThe convex surface of a thin concavo convex lens of glass 1 5 has a radius of curvature 20 cm The concave surface has a radius of curvature 40 cm The convex side is silvered and placed at horizontal surface The concave part is 4 The distance of a 3 filled with water pin above the horizontal surface where its image coincides with it is approx