Uses of EM waves

• Radio waves


  Used to transmit radio signals and terrestrial TV signals
• Microwaves


  • Used for heating food
  • Used to communicate with satellites in space
• Infrared


  • Emitted by electrical heaters
  • Used to cook food in ovens
  • Used in infrared cameras to check buildings for heat losses
• Visible light


  Used for communication using fiber optics
• Ultraviolet


  • Used in energy-efficient lightbulbs
  • Used in sun tanning beds
• 1. rays


  Used for medical imaging to visualize broken bones