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6. What is a frequency?

  • The distance between the top and bottom of a wave
  • The number of waves produced by a source each second
  • The crest of one wave to the crest of the previous wave

7. What type of wave is light?

  • A transverse wave
  • A longitudinal wave
  • A seismic wave

8. What is an amplitude?

  • The crest of one wave
  • The maximum disturbance of a wave from its undisturbed position
  • The wavelength

9. What is an oscillation?

  • A type of sound wave
  • A vibration
  • A reflection