Waves

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Across
  1. 3. an EM wave used for television and radio
  2. 5. the maximum displacement of a point on a wave away from its undisturbed position
  3. 8. a spectrum of waves that travel at 300 million metres per second in air (or a vacuum) and do not require a medium to travel through
  4. 10. A wave where oscillations are perpendicular to the direction of energy transfer
  5. 11. an EM wave used for energy efficient lamps and sun tanning beds
  6. 12. an EM wave used for satellite communications and cooking food
  7. 13. an EM wave used for medical imaging and treatments
Down
  1. 1. time taken for one complete wavelength
  2. 2. number of waves per second
  3. 4. the distance between one point on a wave and the same point on the next wave
  4. 6. an EM wave used for electrical heaters and cooking food
  5. 7. when a difference in velocity makes the light appear to bend
  6. 9. A wave where oscillations are parallel to the direction of energy transfer