Which of the following mirror is required to get a virtual and diminished image of an object?

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Convex mirror

Concave mirror

Convex lens

None of these

answer is A.

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Detailed Solution

A convex mirror is required to get a virtual and diminished image of an object.
A convex mirror is a spherical mirror that always produces virtual, straight, and low images irrespective of the distance between the object and the mirror. Thus, the given spherical mirror is a convex mirror. The size of the image produced is smaller than that of the object.
(i) When an object is at infinity
Question Image

Position of Image: Behind the mirror at the focus
Size of Image: Diminished
Nature of Image: Virtual and erect
(ii) When the object is anywhere in front of the mirror
Question Image

Position of image: Behind the mirror
Size of image: Smaller than the object
Nature of image: Virtual and erect

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