What kind of mirror is used as a search-light reflector?

Concave mirror

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Convex mirror

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Plain mirror

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All the above

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Solution

The correct option is A Concave mirror
Concave mirrors are used in search lights and torches so that we have a more focused light beam which will not diverge out and hence help in searching. It is used for different light rays falling on it to a single point.

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Similar questions

State the kind of mirror used

(a) by a dentist,

(b) as a search-light reflector.

State the kind of mirror used

(a) by a dentist, and

(b) as a street light reflector.

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