Physical Science: Ch. 11 Electromagnetic waves (t/d)

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Physical Science

7th

Last updated 6:03 AM on 2/1/23
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15 Terms

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electromagnetic wave
made by vibrating electric charges
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photon
a massless bundle of energy that behaves like a particle
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radio waves
electromagnetic waves with wavelengths longer than 10 cm
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microwaves
Electromagnetic waves with wavelengths between .1 mm and 30 cm
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infrared waves
Electromagnetic waves with wavelengths between about one-thousandth of a meter and about 700-billionths of a meter
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visible light
Electromagnetic waves that you detect with your eyes
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ultraviolet waves
Electromagnetic waves with wavelengths from about 400-billionths to 10-billionths of a meter
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X-rays
Electromagnetic waves with wavelengths from about ten-billionths of a meter and ten-trillionths of a meter
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gamma rays
Electromagnetic waves with wavelengths shorter than about 100-trillionths of a meter
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carrier wave
An electromagnetic wave with the specific frequency that a station is assigned
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modulation
The process of adding the signal wave to the carrier wave
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analog signal
electric signals whose values change smoothly over time
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digital signal
electric signal where there are only two possible values: ON and OFF
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transceiver
transmits one radio signal and receive another radio signal
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Global Positioning System (GPS)
a system of satellites, ground monitoring stations, and receivers that determine your exact location at or above Earth's surface