Saved Bookmarks
| 1. |
4.) The diameter of aperture of a plano-convex lens is 6 cm and its maximum thickness is 3 mm. If the velocity of light in the material of the lens is 2 x 108 m/s, its focal length is (approximately) (1) 10 cm (2) 15 cm (4) 60 cm La 30 cm |
| Answer» 4.) The diameter of aperture of a plano-convex lens is 6 cm and its maximum thickness is 3 mm. If the velocity of light in the material of the lens is 2 x 108 m/s, its focal length is (approximately) (1) 10 cm (2) 15 cm (4) 60 cm La 30 cm | |