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11 Cards in this Set
- Front
- Back
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illuminated
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an object seen by reflected light
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luminous
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an object that gives off its own light
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incandescent light
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light bulb that glows when a filament inside gets white hot
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tungsten halogen light
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bulb that contains a halogen gas such as bromine or iodine- much hotter than normal bulb
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fluorescent light
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bulb that contains a gas and is coated on the inside with a powder
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vapor light
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bulb that contains neon or argon gas
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neon light
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sealed glass tube that contains neon gas
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amplitude modulation
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method of transmitting signals by changing the amplitude of the wave- frequency of wave remains constant
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frequency modulatio
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method of transmitting signal by changing frequency of the waves- has higher frequency and more energy than am
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cellular phones
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transmit and receive signals using high frequency microwaves
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