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PS Chapter 21: E Mag
PS Chapter 21: Electro Magnetic Coach Leach
Term | Definition |
---|---|
electromagnetic spectrum | The entire range of all electromagnetic waves. |
photon | A wave bundle, or particle, of electromagnetic energy. |
radio waves | The longest and lowest energy type of electromagnetic wave used for navigation and communication. |
microwave | A wave from the upper end of the radio wave band used for navigation, communication and cooking. |
infrared wave | The electromagnet wave that is just below red visible light; used in astronomy, medical imaging, and wireless devices. |
visible light | Electromagnetic waves that humans can see. |
ultraviolet wave | An electromagnetic wave that is just beyond violet visible light used for medical treatment, dentistry and killing bacteria. |
x-ray | A form of electromagnetic energy used for medical imagery, transportation security, and nondestructive inspection. |
gamma ray | A high energy photon that is emitted from a nucleus when a radioactive isotope experiences gamma decay. |
electromagnetic wave | A disruption in an electromagnetic field that carries energy, even through the vacuum of space. |