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Question

A mirror forms a real image of unit magnification. The type of the mirror is

A
Concave
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B
Plane
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C
Parabolic
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D
Convex
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Solution

The correct option is A Concave

Concave mirror forms a real image of unit magnification when object is placed on C that is center of curvature of concave mirror.
On the other hand a convex mirror always produces diminished images so it cannot give unit magnification.

Answer-(A)

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