State where an object must be placed so that the image formed by a concave mirror is:

(a) erect and virtual.


(b) at infinity.


(c) the same size as the object.

(a) an object must be placed Between pole and focus of the mirror so that the image formed by a concave mirror is erect and virtual.

(b) an object must be placed At the focus of the mirror so that the image formed by a concave mirror is at infinity.


(c) an object must be placed At the centre of curvature of the mirror so that the image formed by a concave mirror is the same size as the object.


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