A plano-convex lens is compose of a plane and convex surfaces, has a positive focal length.It is used for the changing between point light source and parallel beam.It is mean when the light through ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

CBSE Class 10 Physics Chapter 10 Important Questions and Answers: Get the Important Questions with Answers for CBSE Class 10 Science Chapter 10 Light Reflection and Refraction. Use these along with ...