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Published byJustina Carpenter Modified over 8 years ago
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Reflection and Mirrors Page 617
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Rays Light waves travelling in straight lines.
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Regular Reflection When parallel rays of light hit a smooth surface, resulting in a sharp reflection. Diffuse Reflection When parallel rays of light hit a bumpy or uneven surface, resulting in an unclear reflection.
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Plane Mirrors A flat sheet of glass that has a smooth, silver- colored coating on one side. When light strikes the mirror, the coating reflects the light, producing an IMAGE. Image - a copy of the object formed by reflected or refracted rays of light.
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Virtual Image An upright image that forms where light seems to come from. A plane mirror produces a virtual image that is upright and the same size as the object, but in reverse.
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Concave Mirrors A mirror with a surface that curves inward like the inside of a bowl.
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Optical axis An imaginary line that divides a mirror in half.
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Focal Point The point at which rays parallel to the optical axis meet.
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Real Image Forms when rays actually meet, and are upside down, and may be larger or smaller than the object.
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Convex Mirrors A mirror with a surface that curves outward. Because the light rays never meet, images formed by convex mirrors are always virtual and smaller than the object.
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