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Chapter 18
Term | Definition |
---|---|
Electromagnetic Wave | a wave that can travel through empty space or matter |
Radiant Energy | energy that is carried by electromagnetic waves |
Radio Waves | The lowest frequency of all electromagnetic waves |
Infra-red Waves | wavelengths between about one thousandths and 0.7 millionths of a meter |
Visible Light | Electromagnetic waves you can detect with your eyes |
Ultraviolet Radiation | Higher in frequency than visible light and has shorter Wavelengths between 0.4 millionths of a meter and about Ten Billionths of a meter |
X-RAY | Ultraviolet waves that penetrate your skin |
Gama Rays | have the hightest frequency and therefore carry the most energy |
Carrier Waves | Radio Waves broadcast by a station at its assigned frequency |