A pin is placed 10cm in front of a convex lens of focal length 20cm and refractive index 1.5. The surface of the lens farther away from the pin is silvered and has a radius of curvature of 22cm. How far from the lens is the final image formed?

A pin is placed 10cm in front of a convex lens of focal length 20cm an

1.	A pin is placed 10cm in front of a convex lens of focal length 20cm and refractive index 1.5. The surface of the lens farther away from the pin is silvered and has a radius of curvature of 22cm. How far from the lens is the final image formed?
Answer» 10 cm 11 cm 12 cm 13 cm Answer :B