Question

Name the two kinds of spherical mirrors and distinguish between them.

  • Category: Reflection of Light Class 9 ICSE
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Answer

Depending on whether the inner or outer surface of the sphere is silvered, spherical mirrors are of two types —

  1. Concave mirror
  2. Convex mirror

Difference between the two mirrors are —

Concave mirror Convex mirror
It is made by silvering the outer surface of a part of the hollow sphere, so reflection takes place from the inner surface. It is made by silvering the inner surface of a part of the hollow sphere, so reflection takes place from the bulging surface.
The light rays incident on it converge after reflection. The light rays incident on it diverge after reflection.

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