1 10 10 cm 2 10 20 cm 3 20 10 cm 4 20 20 cm A convex lens

Last updated: 6/25/2023

1 10 10 cm 2 10 20 cm 3 20 10 cm 4 20 20 cm A convex lens forms an image at a distance 10 cm when a parallel beam of light is incident on it Find the position s of a concave mirror of radius of curvature 5 cm such that the final image is formed at infinity 1 At a distance of 10 cm from the lens 2 At a distance of 15 cm from the lens 3 At a distance of 5 cm from the lens 4 Both 1 and 2