The size of image of an object, which is at infinity, as formed by a convex lens of focal length
Channel: Doubtnut
Date: 2020-07-05

The size of image of an object, which is at infinity, as formed by a convex lens of focal length 30 cm is 2 cm. If a concave lens of focal length 20 cm is placed between the convex lens and the image at a distance 26 cm from the convex lens, calculate the new size of the image.