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REFLECTION OF LIGHT BY A PLANE MIRROR


Image formed by a point object





Image formed by a finite object



Following are the important characteristics of images formed by a plane mirrors:



(1)  The image formed is always virtual. Such a image cannot be taken on a screen.
(2)  The image formed is always erect.
(3) The size of the image is same as the size of the object.
(4)  The image formed in a plane mirror as far behind the mirror, as the object is in front of the mirror.
(5) The image formed in a plane mirror is laterally inverted i.e. the left side of the object becomes the right side of the image and vice-versa.