always produce a virtual, erect and diminished image and the decrease in size of image depends on the position of the object in front of the mirror.
always produce a virtual and erect image having the same size as that of the object irrespective of the position of object.
produce real and virtual, erect and inverted, diminished, same-sized and magnified image depending upon the position of the object on the principal axis.
But the concave mirror forms a virtual, erect and enlarged image only when the object is placed between the Focus and the pole of the mirror.
There is no such mirror as Concavo Convex mirror.
Hence, the correct answer is OPTION B.