When an object is placed in front of a concave mirror of focal length f, a virtual image is produced with a magnification of 2.

When an object is placed in front of a concave mirror of focal length f, a virtual image is produced with a magnification of 2. To obtain a real image with a magnification of 2, the object has to be moved by a distance equal to

(a) f/2

(b) 2f/3

(d) 3f/2

When an object is placed in front of a concave mirror of focal length f, a virtual image is produced with a magnification of 2.

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