Question

what are concave mirror​

Answer 1

• The sperical mirror with inwardd curved reflecting surface is called concave mirror

• A beam of light generally converges after reflection from such surfaces hence it is also called convergent mirror.

• Example - the inner curved surface of a shining spoon can be considered as a concave mirror .

• If the image formed behind the mirror is longer than the object, then the mirror is concave mirror.