In Case of Reflection From Plane Surface Such as Plane Mirror #8211; (i) The image formed is always erect, virtual and of exactly the same size as the object. The image is formed as much behind the mirror as the object is infront of it, (ii) The image is laterally inverted (iii) When the two plane mirrors are placed parallel to each other, then n = (360°/0) = ∞ [infinite number of images] (iv) The maximum height of the mirror required to see the full image of an object of height h is (h/2).