Question : Define and show in a diagram, the following terms relating to concave mirrors. i) Aperture ii) Radius of curvature List any four uses of concave mirror.

Question : Define and show in a diagram, the following terms relating

1.	Question : Define and show in a diagram, the following terms relating to concave mirrors. i) Aperture ii) Radius of curvature List any four uses of concave mirror.
Answer» Solution :i) The diameter of the REFLECTING surface of the mirror is called aperature . ii) The radius of the sphere of which reflecting surface of the spherical mirror forms a part is called the radius of curvature of the spherical mirror. Uses of concave mirror are : `` Shaving mirror `` Reflectors in automobile HEAD light and torches `` By DENTISTS to see back side of tooth. `` Reflector of solar FURNACES.