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physics chapter 28

chapter 28 color

For sunlight and other white light the spread of colors seen when the light is passrf through a prism or diffraction grating, in general the spead of radiation b frequency appears at a differnt position Spectrum
light such as sunlight that is a combination of all colors under white light and colored objects appear in their individual colors white light
a material that selectively absorbs colored light pigament
Red,blue, and green light. these colors when added together produce white ight additive primary colors
two colors of light beams that when added together appear white complemantary colors
the colors of magenta, yellow, and cyan these colors are most useful in olor mixing by subtravtion subractice primary colors
a process in which sound or light is absorbed and reemitted in all directions scattering
a state with greater energy than an atoms lowest state excited state
an instrument used to seperate the light from hot gas or other light sources into its constituent frequencies spectroscope
a pattern of distinct lines of color corresponding to particular wavelengths that are such in a spectroscope when a hot gas is viewed line spectrum
who showed by pasing a narrow beam of sunlight through a triangular shaped glass prism it showed that sunglight is composted of a mixture of all colors? Newton
true or false: The color of an opaque object is the color of light is reflects true
true of false: The color of a transparent object is the color of the light it absorbs false: the color a transparent object is the color of the light it REFLECTS
true or false: Yellow-green ligt is the brightest part of sunlight true
You can make any colors by overlapping red, green, and yellow light. False:You can make any colors by overlapping red, green, and BLUE light.
true or false/; only certain colors have complemantary colors that will produce white false: every color has a complemantary color that will prduce white
What produces color? a. what objects absorb b. light eemited or reflection b. light eemited or reflection
What does the perception of color depend on? a. eye brain system b. pn the lighting used a. eye brain system
List the orders of color in the color spectrum: red. orange. (1)______ green. blue.(2)_____ 1. yellow 2. violet
True or false: candle light gives off a redish tint false candle light gives off a yellowish light
true or false incandescent lamps give off red light true
fluroscent lamp gives off a blueish tint true
what does the color of transparent object depend on? color of light it transmits
what light are we most sensitive towards? yellow green light
what s the result of miving red, blue, and green? it produces white
what happends when red and blue overlap magenta
red and green produces? yellow
green and blue produce? cyan
the complementary color for magenta is green rtue or false? true
the complementary color for cyan is green> false the complementary color is red
true or false: frequencies scatter at high frequencies of light true
Created by: 15_MNoonan
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