What is the role of sun rays in finding the focal point of the concave mirror ?

What is a concave mirror ?

What is the role of sun rays in solar cooker ?

What is called a focal point of a concave mirror ?

How do you identify the focal point in focal length of concave mirror?

Draw a normal at any point of a concave mirror.

The image formed by a concave mirror

The main role of vascular rays is

What happens to a ray which passes through focal point and falls on the concave mirror and also draw the ray diagram.

What is the relation between radius of curvature and focal length of a concave mirror ?