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Ch12 Electromagnetic
Term | Definition |
---|---|
Global Positioning System or GPS | You can determine your exact position and altitude on earth |
Ultraviolet rays | Rays that can damage skin |
Infrared waves | Energy transmitted by these will feel warm |
X-rays | Doctors and dentists use these on photographic film |
Gamma rays | Used to kill diseased cells |
Radio waves | Not the same as sound waves |
Transceiver | Cordless and cell phones are examples of this |
Electromagnetic wave | Vibrating electric charges that can travel through space |
Carrier wave | Frequency of the electromagnetic waves that a radio station is assigned |
Cathode ray tube | The picture part of a television |
Frequency | Measured in Hertz |
Radiant energy | Energy carried by an electromagnetic wave |
Visible light | Type of electromagnetic wave that you have the most experience with |
Photon | Dependent on its frequency |