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  • 13-03-2017
  • Social Studies
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A drop in pitch as a vehicle passes is known as the ______ effect.

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12150286
12150286 12150286
  • 13-03-2017
A drop in pitch as a vehicle passes is known as the Doppler effect.

It describes an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other.

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