The Electromagnetic Spectrum

Cards (10)

  • What types of waves are electromagnetic waves?
    Transverse.
  • What do electromagnetic waves transfer?
    Energy (not matter).
  • What type of spectrum do electromagnetic waves form?
    A continuous spectrum.
  • List the order of the electromagnetic spectrum in order of increasing wavelength.
    Gamma, X-ray, UV, Visible, Infrared, Microwaves and Radio.
  • What is the highest frequency electromagnetic wave?
    Gamma waves.
  • What is the highest energy electromagnetic wave?
    Gamma waves.
  • What properties are shared by all electromagnetic waves?
    They are all transverse waves. They all travel at the same speed (3x10^8 m/s). They can travel through a vacuum.
  • What range of frequencies of electromagnetic waves can be detected by the human eye?
    400-700 nanometres.
  • How do the speeds of EM radiation differ in a vacuum and in air?
    Electromagnetic waves all travel at the same speed in a vacuum and in air.
  • What can happen when radiation strikes an object?
    It can be...
    Transmitted, Reflected and Absorbed.