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Essmyer Ch.28 Vocab
| Question | Answer |
|---|---|
| for sunlight and other white light, the spread of colors seen when the light is passed through a prism or diffraction grating. in general, the spread of radiation by frequency, so that each frequency appears at a different position. | spectrum |
| light, such as sunlight, that is combination of all the colors. under white light, white objects appear white and colored objects appear in their individual colors. | white light |
| a material that selectively absorbs colored light. | pigment |
| red, blue, and green light. these colors when added together produce white light. | additive primary colors |
| two colors of light beams that when added together appear white. | complementary colors |
| the colors of magenta, yellow, and cyan. these are the three colors most useful in color mixing by subtraction. | subtractive primary colors |
| a process in which sound or light is absorbed and reemitted in all directions. | scattering |
| a state with greater energy than an atom's lowest state. | excited state |
| an instrument used to separate the light from a hot gas or other light source into its costituent frequencies. | spectroscope |
| a patternn of distinct lines of color, corresponding to particular wavelenghts, that are seen in a spectroscope when a hot gas is viewed. | line spectrum |
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