ELECTROMAGNETIC WAVES 


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  • Electromagnetic waves
    • The electromagnetic spectrum
      • RADIO WAVES
      • MICROWAVES
      • INFRARED RADIATION
      • LIGHT
      • ULTRAVIOLET RADIATION
      • X-RAYS
      • GAMMA RADIATION
    • Light, infrared, microwaves and radio waves
      • White light contains all the colours of the visible spectrum
      • Infrared radiation is used for carrying signals from remote headset and inside optical fibres
      • We use microwaves to carry satellite TV programmes and mobile phone calls
      • Radio waves are used for radio and TV broadcasting, radio communication and mobile phone calls
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