MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Light reflected in a mirror. A boy marking the position of a ray of light from a ray box (not shown), reflected in a plane mirror (far right), showing that the angle of incidence equals the angle of reflection. When light is reflected in a plane (flat) mirror, the angle at which the light hits the surface of the mirror will be the same as the angle at which the light reflects from the mirror.
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