a) With the help of a labelled diagram, explain how a concave lens diverges a beam of parallel light
Channel: Doubtnut
Date: 2020-01-26

a) With the help of a labelled diagram, explain how a concave lens diverges a beam of parallel light rays. Mark the princple axis, optical center, principle focus and focal length of the convex lens on the diagram. b) State whether concave lens and convex lens mirror have in common.