The mirror used by a dentist to examine the teeth of a person is:

(a) convex
(b) concave
(c) plane
(d) any one of the above

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Solution

(b) concave

A concave mirror is used by a dentist to examine the teeth of a person.

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Similar questions

Dentists use concave mirrors for examining teeth. When the mirror is placed close to teeth, the image formed is:

(A) Plane mirror	(1) Always virtual, erect and dimnished image
(B) Convex mirror	(2) Image is erect and of the same size as the object
(C) Convex lens	(3) Used by dentists to see enlarged images of teeth
(D) Concave mirror	(4) Used in microscope.

A real and enlarged image can be obtained by using a :

(a) convex mirror

(b) plane mirror

(d) either convex or plane mirror.

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