Electromagnetic waves

• Are electromagnetic waves transverse or longitudinal?

  Transverse
• What is the key property of a transverse wave?

  Transverse waves oscillate perpendicular to the direction of energy transferred
• How fast do electromagnetic waves travel when in a vacuum?

  3x10^8 m/s
• What are the types of waves in the electromagnetic spectrum, starting with the longest wavelength

  1. Radio waves
  2. Microwaves
  3. Infrared
  4. Visible light
  5. Ultra violet
  6. X-rays
  7. Gamma rays
• Which 2 types of electromagnetic waves are ionising

  1. X-rays
  2. Gamma rays
• Which type of electromagnetic waves can be used for communication

  1. Radio waves
  2. Microwaves
• Which type of electromagnetic wave has the highest frequency

  Gamma rays
• Which type of electromagnetic has the highest energy

  Gamma rays
• Which type of electromagnetic wave has the longest wavelength

  Radio waves