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Question

Give two use each of a concave and a convex mirror.


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Solution

Definition of a concave and convex mirror.

  1. A convex mirror has an externally bulged reflecting surface, while a concave mirror has an inwardly curved reflecting surface.
  2. Concave and convex mirrors are types of spherical mirrors.
  3. A convex mirror has the property to diverge light rays incident on it.
  4. A concave mirror has the property to converge light rays incident on it.

Uses of concave and convex mirrors.

Concave mirror:

  1. The dentist uses a concave mirror in order to get a magnified reflection of the insides of a mouth.
  2. A torch's reflector is made of a concave mirror, in which the light is kept at the focus of the concave mirror so that the reflected rays are parallel and can travel a long distance.

Convex mirror:

  1. In rearview mirrors, a convex mirror is employed so that we can get a wide view of the road and vehicles behind, irrespective of the distance from the objects.
  2. Convex mirrors are used in telescopes in order to see large objects.

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