Uses of EM waves

• uses of radiowaves


  TV and Radio

  log wavelength - can travel far without losing quality
• uses of microwaves 


  satallite communication, cooking food

  can penetrate atmosphere to reach satallites
• uses of IR waves

  cooking food, infrared cameras

  transfers thermal energy
• uses of visible waves

  Fibre optics

  best reflection/scattering in glass (others have too short/long wavelength)
• uses of UV waves

  sun tanning, energy-efficient lamps

  radiates the least heat but more energy
• uses of X-rays


  medical imaging and treatment

  very high in energy, can penetrate material easily