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Electromagnetic Spectrum

Electromagnetic Spectrum. EM waves. Waves that can travel through matter or empty space Transverse waves. Amplitude. Crest. Trough. Low Frequency = Long wavelength = Less energy. Radio Waves (AM 3 football fields, Short wave radio, FM, TV 10 feet). Microwaves (1 inch). Infrared.

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Electromagnetic Spectrum

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  1. Electromagnetic Spectrum

  2. EM waves • Waves that can travel through matter or empty space • Transverse waves Amplitude Crest Trough

  3. Low Frequency = Long wavelength = Less energy • Radio Waves (AM 3 football fields, Short wave radio, FM, TV 10 feet)

  4. Microwaves (1 inch)

  5. Infrared • All objects emit infrared radiation, and hotter objects emit more • When objects absorb infrared radiation, they become warmer.

  6. Visible Light Spectrum • The human eye reacts to different energies and frequencies of light so that different colors are seen.

  7. Ultraviolet • Because of the high energy, too much exposure is damaging to the eyes and skin.

  8. X-Rays

  9. Gamma Rays

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