Question

refraction of light at curved surfaces notes​

Answer 1

Answer:

Explanation:

We have already looked at reflection by plane mirrors in topic 8. When the reflecting surface is instead curved, we call it a curved mirror. ... Curved mirrors whose reflecting surfaces curve inwards are called concave mirrors while those whose reflecting surfaces bulge outwards are called convex mirrors

Answer 2

Answer:

a refraction surface, which forms a part of a sphere of transparent refraction material,is called spherical refraction surface.

the two types are convex spherical refraction surface and concave spherical refraction surface.

hope it will help u!