Acoustic Doppler effect with universal counter

Article no. P2150405 | Type: Experiments

University
10 Minutes
10 Minutes
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Principle

If an emitter of sound or a detector is set into motion relative to the medium of propagation, the frequency of the waves that are emitted or detected is shifted due to the Doppler effect.

Benefits

  • Easy frequency setting thanks to digital function generator
  • Intuitive measuring instrument
  • Results well reproducible because of the motor-driven car

Tasks

  1. Measure the Doppler shift for varying frequencies and velocities for a moving sound emitter. Compare the measurements with the values predicted by theory.
  2. Measure the Doppler shift for varying frequencies and velocities for a moving detector. Compare the measurements with the values predicted by theory.

Learning objectives

  • Wave propagation
  • Doppler shift of frequency

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p2150405_en .pdf
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(es) Versuchsbeschreibung
p2150405_es .pdf
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() Versuchsbeschreibung
p2150405_ua .pdf
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Acoustic Doppler effect with universal counter
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