Question

When object is placed at center of culvature in front of concave mirror then what is natural of image?

Answer 1

At the center of curvature, the object distance equals the image distance and the object height equals the image height. As the object distance approaches one focal length, the image distance and image height approaches infinity. Finally, when the object distance is equal to exactly one focal length, there is no image.  When the object is placed at centre of curvature (C) of a concave mirror, a real and inverted image is formed at the same position.

object at C concave mirror

Same size as object

Real and inverted

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