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chapter 13 vocab

chpater 13 vocabulary

TermDefinition
Opaque Material in the candleholder only absorbs and reflects light- not only passes through it.
Translucent Materials that allow some light to pass through them, like the material of the candleholder.
Transparent Transmit almost all the light striking them, so you can see objects clearly through them.
Index of Refraction A property of the material that indicates how much the speed of light in the material is reduced.
Mirage An image of a distant object produced by the refraction of light through air layers of different densities.
Pigment A colored material that is used to change the color of other substances.
Incandescent light Is generated by heating a piece of metal until it glows.
Fluorescent light uses phosphors to convert ultraviolet radiation to visible light.
Coherent light Light of only one wavelength that travels with its crests and troughs aligned.
Incoherent light can contain more than one wavelength, and its electromagnetic waves are not aligned.
Polarized light the waves vibrate in only one direction.
Holography a technique that produces a hologram- a complete 3 dimensional photographic image of an object.
Total internal reflection occurs when light traveling from one medium to another is completely reflected at the boundary between the 2 materials.
Created by: Katwill678
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