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.

Define and show in a diagram, the following terms relating to concave

1.	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.