The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 305
Light is a very small gradually , at least in technical fields , the mean- portion of the electromagnetic spectrum , the ing has become more carefully defined . Color radiant energy that travels through space in the is usually defined ...
Light is a very small gradually , at least in technical fields , the mean- portion of the electromagnetic spectrum , the ing has become more carefully defined . Color radiant energy that travels through space in the is usually defined ...
Page 306
Even under tungsten light , while colors shift somewhat from their daylight color , they do so in a regular manner to which we have become accustomed , as we have to the familiar changes in daylight color from the reddish light of dawn ...
Even under tungsten light , while colors shift somewhat from their daylight color , they do so in a regular manner to which we have become accustomed , as we have to the familiar changes in daylight color from the reddish light of dawn ...
Page 312
a An object that selectively absorbs relatively more light at some wavelengths than others generally produces a chromatic color . If most of the light ( 90 or 95 % ) from daylight or almost any common light source is absorbed at all ...
a An object that selectively absorbs relatively more light at some wavelengths than others generally produces a chromatic color . If most of the light ( 90 or 95 % ) from daylight or almost any common light source is absorbed at all ...
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