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What is lateral inversion? Explain by giving a suitable example.
When an object is placed in front of a plane mirror, then the right side of the object appears as the left side of the image; and the left side of the object appears as the right side of the image. This change of the sides of an object and its mirror image is called lateral inversion.
Example- When we hold a placard having the word RED written on it in front of the plane mirror, as given in figure A, the image of the word RED gets laterally inverted and appear like the image given in figure B.
Explanation
Lateral inversion is one of the characteristics of the plane mirror, which means the right side of the object appears as the left side of its image and vice-versa (left side of the object appears as the right side of its image).
Other characteristics of the image formed by a plane mirror are virtual, erect (upright), of the same size, and at the same distance.
Plane mirrors are used in kaleidoscopes, shaving mirrors, dentists' mirror, torch lights, etc.
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