Question

A concave mirror of focal length forms an image of the
same size as the object. The distance of the object from the
mirror is​

Answer 1

Answer:

Twice the focal length

Explanation:

If an object is placed at centre of curvature then it forms an image of the same size in case of concave mirror.

centre of curvature is twice the focal length.

Thus ,object must be placed at a distance if twice the focal length.

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