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

real and enlarged

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real and diminished

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virtual and diminished

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virtual and enlarged

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Solution

The correct option is D
virtual and enlarged

A concave mirror produces a virtual, erect and enlarged image of an object placed close to it. Hence it is used by dentists to examine teeth.

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Similar questions

Name the kind of mirror used to obtain

(a) a real and enlarged image,

(b) a virtual and enlarged image,

(d) a virtual and diminished image.

For the object placed between the optical centre and focus of a convex lens, the image is :

(a) real and enlarged

(b) real and diminished

(d) virtual and diminished.

A concave lens forms the image of an object which is :

(a) virtual, inverted, and diminished

(b) virtual, upright, and diminished

(d) virtual, upright, and enlarged.

(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.

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