Saved Bookmarks
| 1. |
A thin concavo-convex lens has focal length +60 cm. The radius of curvature of concave surface is double that of convex. The radii of curvature of two surfaces, if refractive index of material of lens is 1.4, are |
| Answer» A thin concavo-convex lens has focal length +60 cm. The radius of curvature of concave surface is double that of convex. The radii of curvature of two surfaces, if refractive index of material of lens is 1.4, are | |