Question

Q25. a) State the correlation between the following:
i. The speed of light through a medium and its optical density
ii.Refractive index and optical density of a medium​

Answer 1

A spherical mirror is a mirror which has the shape of a piece cut out of a spherical surface. There are two types of spherical mirrors: concave, and convex. These are illustrated in Fig. 68. The most commonly occurring examples of concave mirrors are shaving mirrors and makeup mirrors