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chapter 12 vocab

chapter 12 vocabulary for coach McCarty

TermDefinition
Electromagnetic waves made by vibrating electric charges and can travel through space where matter is not present.
Radiant energy makes a fire feel warm and enables you to see.
Photon energy depends on the frequency of the waves.
Radio waves are low-frequency electromagnetic waves with wavelengths longer than about 1mm.
Microwaves radio waves with wavelengths of less than about 30cm.
Infrared waves A type of electromagnetic wave with wavelengths between about 1mm and about 750 billionths of a meter.
Visible light The range of electromagnetic waves that you can detect with your eyes.
Ultraviolet waves Electromagnetic waves with wavelengths from about 400 billionths to 10 billionths of a meter.
X Rays Wavelengths between about 10 billionths of a meter and 10 trillionths of a meter.
Gamma rays Electromagnetic wave with no mass and no charge that travels at the speed of light, and is usually emitted with Alpha or Beta particles from a decaying atomic nucleus.
Carrier wave The specific frequency of the electromagnetic wave that a radio station is assigned to.
Cathode-Ray tube A sealed vacuum tube in which one or more beams of electrons are produced.
Transceiver Transmits one radio signal and receives another radio signal from a base unit.
Global positioning System (GPS) A system of satellites, ground monitoring stations, and receivers that determine your exact location at or above Earth's surface.
Created by: Katwill678
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