Waves 2 - The EM Spectrum

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  • Created by: Hollie
  • Created on: 28-05-14 13:41
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  • Waves 2
    • The EM Spectrum
      • X Rays
        • Wavelength range is x10-10
          • Used to image objects inside a suitcase or body
      • Gamma Rays
        • Shortest wavelength (x10-12) and largest frequency
          • Can be used to kill cancer cells and to sterilise equipment in hospitals
      • Ultraviolet
        • Wavelength range is x10-8
          • Used in sunbeds for tanning and to detect forged bank notes
      • Visible Light
        • Wavelength range is x10-7
          • Used to see and for endoscopes with total internal reflection
      • Infrared
        • Wavelength range is x10-6
          • Used by alarm systes and in remotes
      • Microwaves
        • Wavelength range is x10-3
          • Used for mobile phone links and communications via satellite.
      • Radio waves
        • Wavelength range is x10-2 and below
          • Used for TV and radio transmissions with long wavelengths so that the signals do not diffract past large objects like hills.
  • Gamma Rays
    • Shortest wavelength (x10-12) and largest frequency
      • Can be used to kill cancer cells and to sterilise equipment in hospitals

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