Uses of Electromagnetic Radiation

Cards (7)

  • Gamma rays are used to kill cancer cells
  • X-rays are used to produce photographs of bones
    • aka: "X-ray"
  • Ultraviolet rays (UV) are used to sterilise medical equipment and/or food
  • Visible light (white light) is used by humans to see things
  • Infrared radiation (IR) is used in remote controls for TVs and in night-vision cameras
    • when absorbed by matter, IR causes an increase in temperature and therefore produces the sensation of warmth
  • Microwaves are used to heat/cook food
  • Radio waves are used to transmit information over long distances