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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 |