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Definition
| transverse waves consisting of changing electric fields and changing magnetic fields |
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Definition
| in a region of space exerts electric forces on charged particles |
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Definition
| in a region of space produces magnetic forces. Produces by magnets, changing electric field, and by vibrating charges |
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| electromagnetic radiation |
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Definition
| transfer of energy by electromagnetic waves traveling through matter or across space |
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| the emission of electrons from a metal caused by light striking the metal |
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| packets of electromagetic energy |
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| is the rate at which a wave's energy flows through a given unit of area |
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| the full range of frequencies of electromagnetic radiation |
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| a method of transmitting a radio signal in which the amplitude of the carrier wave varies while its frequency remains the same |
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Definition
| a method of transmitting a radio signal in which the frequency of the carrier wave varies while its amplitude remains the same |
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Definition
| a description of a material that allows most of the light that strikes it to pass though |
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| a color-coded picture using variations in infrared radiation to show variations in temperature |
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| a description of a material that scatters light that passes through it |
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Definition
| a description of a material that either absorbs or reflects all of the light that strikes it so nothing can be seen through it |
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Definition
| a copy of an object formed by reflected or refracted rays of light |
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Definition
| a reflection that occues when parallel light waves strike a surface and all reflect in the same direction |
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Definition
| reflection that occurs when parallel light waves strike a rough, uneven surface and reflect in many different directions |
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Definition
| a false or distorted image |
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Definition
| a type of light including light with waves that vibrate in only one plane |
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Definition
| a proccess by which light is redircted as it passes through a medium |
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Definition
| the process in which white light seperates into colors |
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Definition
| three specific colors that can be combined in varying intensities to create millions of colors |
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Definition
| new color that results when any two of the primary colors are combined |
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| complementary colors of light |
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Definition
| any two colors of light that combine to form white light |
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Definition
| a material that selectivly absorbs certian colors of light and reflects other colors |
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| complementary colors of pigment |
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| any two colors of pigment the combine to make black pigment |
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Definition
| a description of an object that gives off its own light |
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| a description of an object hot enough to glow |
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| a process in which phosphorscent material converts radiation into visible light |
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Definition
| a solid material that emits light by fluorescence |
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Definition
| a device that generates a beam of coherent light |
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Definition
| light waves having the same wavelength, with the crests and troughs lined up |
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| visible rays are between... |
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| what are the primary colors |
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| what are the secondary colors? |
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| the bending of a wave as it enters a new medium at an angle |
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