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ch. 28 physics vocab
ch. 28 vocab
Question | Answer |
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spectrum | the spread of colors seen when the light is passed though a prisim . Roy G Biv |
white light | light that is a combination of all colors . under white light white objects appear in their individual colors r+ b+ G = white |
pigment | a material that sectively abosorbs 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 produce white |
subtractive primary colors | the colors of magenta , yellow and cyan. these are the three colors useful in color mixing by subtraction |
scattering | a process in which sound or light is absorbed and reemitted in all directions |
spectroscope | an instrument used to seperate the light from a hot gas or other light source into its constatnt freqeuncies |
line spectrum | a pattern of distinct lines of color corresponidng to particular wavelenghts that are seen in a spectroscope when a hot gas is veiwed |