The image of the figure by a reflection is it's mirror image in the axis or plane of a reflection.
For an example the letter p reflected horizontally it would be the letter q or if it were reflected vertically it would be the letter b.
For an example the letter p reflected horizontally it would be the letter q or if it were reflected vertically it would be the letter b.
Some real world examples are
Some mathematical examples are
In 1805, Justus Von Liebig developed the mirrior which uses reflection.