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Sorensen Chapter 28

Sorensen Chapter 28 Vocab

Spectrum 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.
White Light Light, such as sunlight, that is a combination of all the colors. Under white light, white objects appear white and colored objects in their individual colors.
Pigment A material that selectively absorbs colored light.
Additive Primary Colors Red, blue, and green light. These colors when added together produce white light.
Complementary Colors Two colors of light beams that when added together appear white.
Subtractive Primary Colors The colors of magenta, yellow, and cyan. These are the three colors most useful in color mixing by subtraction.
Scattering A process in which sound or light is absorbed and remitted in all directions.
Excited State A state with greater energy than an atom's lowest state.
Spectroscope An instrument used to separate the light from a hot gas or other light source into its constituent frequencies.
Line Spectrum A pattern of distinct lines of color, corresponding to particular wavelengths, that are seen in a spectroscope when a hot gas is viewed.
Created by: msorensen