Question

what are spherical mirror ? define convex and concave​

Answer 1

Answer:

Explanation:

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.

Concave mirror

• Made by silvering the outer surface of a part of the hollow glass sphere.

• Converging in nature.

• Image may be real or virtual depending on the position of the object.

• Image may be diminished, same size or magnified.

• The examples of concave mirrors are the mirrors used in automobile head lights, reflecting telescopes, torch lights, etc.

Convex  Mirror

• Made by silvering the inner surface of a part of the hollow glass sphere.

• Diverging in nature.

• Image is virtual.

• Image is diminished.

• The examples of convex mirrors are the mirrors used as rear side mirrors of vehicles, optical instruments, calling bell, etc.

Answer 2

Spherical mirror is a part of a sphere. If reflection takes place from inside, it is said to be concave mirror, and if the reflection takes place from outside surface it is a convex mirror.