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Electromagnetic Waves and Uses

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EdExcel iGCSE 2013 Physics
James Lamming
Mind Map by James Lamming, updated more than 1 year ago
James Lamming
Created by James Lamming about 12 years ago
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Electromagnetic Waves and Uses
  1. Radio waves
    1. 10cm - 10km
      1. Used for communications
        1. Can diffract around hills and buildings
        2. Microwaves
          1. 1cm
            1. Used for mobile phones
            2. Infrared
              1. 10^-5m
                1. 0.01mm
                2. Used in optical fibres
                3. Visible Light
                  1. 10^-7m
                    1. Used for photography
                    2. Ultraviolet
                      1. 10^-8m
                        1. Used in tanning salons
                          1. Causes ionisation
                          2. X-Rays
                            1. 10^-10m
                              1. Used to look inside objects
                              2. Gamma Rays
                                1. 10^-15m
                                  1. Used to treat cancer
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