Question

nature of image of an object when placed at the centre of curvature of a concave mirror

Answer 1

Image formed is at centre of curvature
size of image = Size of object
Image is Real and inverted
Magnification of the Image is - 1

Answer 2

Image formed at centre of curvature
Size of object=size of image
It is real and inverted and form at centre of curvature
Magnification is -1