Chapter 12 magneticspectrum.html.

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Presentation transcript:

Chapter 12 magneticspectrum.html

 Electromagnetic Waves- waves created by vibrating electric charges, can travel through a vacuum or matter.  have a wide variety of frequencies and wavelengths.  All matter contains charged particles that are always in motion, so ALL objects emit electromagnetic waves.

 Radiant Energy- Energy carried by an electromagnetic wave.  Makes you able to see and feel warmth. Wave Speed- 300,000km/s “speed of light” Travel slowest in solids, fastest in gases.  Photon- particle that explains how electromagnetic waves energy depends on frequency of the waves.

 Range of Frequencies: 1. Radio  Microwaves  Radar  MRI’s 2. Infrared 3. Visible Light 4. Ultraviolet 5. X Rays and Gamma Rays

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