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30 Cards in this Set
- Front
- Back
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What type of wave is light?
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electromagnetic
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electromagnetic waves are
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transverse waves
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radiation
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the emission of energy in the form of EM waves
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List wave types from high to low energy
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gamma, X-ray, ultra-violet, visible light, infra-red, microwaves, tv, radio
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What type of frequency and wavelength would be found on a high energy wave?
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high frequency, short wavelength
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modulation
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changing amplitude or frequency
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FM
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frequency modulation
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AM
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amplitude modulation
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radar
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detect speed and location of objects
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What are the colors of visible light?
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red, orange, yellow, green, blue, indigo, violet. (roy g. biv)
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what is white light?
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all colors of light blended together
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Law of Reflection
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the angle of incidence is equal to the angle of reflection
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regular reflection
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beams reflect off all points of the surface at the same angle
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diffuse reflection
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beams hit the surface and reflect at many angles
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absorption
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the transfer of energy carried by light waves to particles of matter
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scattering
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the release of light energy by particles of matter that have absorbed energy
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transmission
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the passing of light through matter
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translucent
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matter transmits and also scatters light as it passes through
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opaque
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matter that does not transmit any light
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primary colors
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red, blue, green
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secondary colors
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made from 2 primary colors
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pigment
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materials that absorb some wavelengths of light and reflects others
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mixing pigments
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color subtraction
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combining colors of light
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color addition
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primary pigments
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yellow, cyan, magenta
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what happens to light as it chages medium
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refraction
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how do raindrops act as prisms?
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they reflect and refract light inot colors
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lenses are used to ________ light
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refract
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a packet of light energy
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photon
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What color absorbs all wavelengths of light?
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black
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