(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it.

(b) State the characteristics of the image formed in a plane mirror.

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Solution

(a)

(b) The image formed by a plane mirror is always virtual (meaning that the light rays do not actually come from the image), upright, and of the same shape and size as the object it is reflecting. A virtual image is a copy of an object formed at the location from which the light rays appear to come.

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