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6. what is frequency measured in

  • Waves
  • Hertz
  • decibels
  • Wavelength

7. What is amplitude measured in?

  • Wavelength
  • Decibels
  • Wave height
  • Hertz

8. Which waves are fastest?

  • Light
  • Sound
  • Water
  • Gas

9. What is the amplitude of a sound wave

  • The number of waves per second
  • The maximum height of the wave
  • The distance between the same two points on a wave