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

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 ...

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 ...