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Define and show in a diagram, the follow...

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.

Text Solution

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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.
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