# Angled Mirrors & Multiple Reflections

A mirror reflects everything in front of it including another
mirror. If you place two mirrors at an angle, you increase the
number of reflected images you can see. Depending on the angle
you choose, you can see a number of unbroken reflections and one
or more composite or partial reflections. When the mirrors are
set at 90º and 60° degrees exactly, the composite
reflection is evenly divided so it looks like a single image.

Without going into exquisite detail, what you see also depends on
where you stand and where you place the object – the angles
of incidence and reflection. In these examples, we have placed
the object and taken the photographs from the center of the
angle.

You can try these effects yourself with two small mirrors and our
chart.

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180º - Two mirrors in a straight line
reflect an object only once. |

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120º - Two mirrors set at any angle
between 180º and 90º reflect an object 2 times. As the
angle approaches 90º, you see one mirror reflected in the
other, but you do not see additional reflected objects. |

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90º - Two mirrors at a right angle
(90º) show two complete reflections and one composite
reflection. An angle less than 90º shows two straight
reflections and two partial reflections. |

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72º - At 72º you see 4 complete
reflections. |

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60º - At 60º you see five
reflections – four straight and one composite. |

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45º - At 45º you see the object
reflected 3 times in each mirror and one composite reflection for
an apparent total of 7 reflections – or 8 if you count the
object itself.Unless the mirrors are very large, it is hard to see into an opening of less than 45º. |

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Parallel - When two mirrors are parallel to
each other, the number of reflections is infinite. Placing one
mirror at a slight angle causes the reflections to curve. |

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Multi-Faceted Mirrors - Increasing the
number of flat mirrored surfaces or facets increases the number
of reflections, but what you see depends on where you stand. The
number of complete and partial reflections changes as you view
the mirror from different angles. |