A biconvex lens of focal length 20cm, made of glass or refractive index 1.5, has water
Channel: Doubtnut
Date: 26/07/2020

A biconvex lens of focal length 20cm, made of glass or refractive index 1.5, has water `(mu=1.33)` on one side and air on the other. An object is placed 15 cm form the lens on the side with water. Where is the image formed?