Mechanical vibrations, acoustics

- Acoustic doppler effect
- F-DP/EV
  
  Details
  
  If a sound source is moving through the transmission medium, the frequency of the emitted waves is shifted by Doppler effect. Frequency variations are measured and […]
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- Apparatus for measuring the speed of sound in air
- F-OA/EV
  
  Details
  
  The equipment allows to establish the speed of sound measuring the movement needed between the speaker and the microphone so that between the two waves, initially […]
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- Kundt’s tube
- F-KUN/EV
  
  Details
  
  Kundt’s tube consists of a tube of plexiglass; a single-frequency sound source (pure tone) is applied to one of tube ends. Kundt used a metal rod […]
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- Optical determination of speed of sound in liquids
- F-SSL/EV
  
  Details
  
  In this experiment, a standing ultrasonic wave in a liquid is depicted by means of a divergent laser light. The dependence of the brightness modulation of […]
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- Resonance apparatus
- F-RIS/EV
  
  Details
  
  This resonance apparatus is used to determine the wavelength and speed of sound in the air. This apparatus includes a plastic tube with a ruler, mounted […]
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- Sonometer with triple wire net
- F-SON/EV
  
  Details
  
  A sonometer is an apparatus for studying transversal vibrations of strings. The objective consists in showing the relationship existing between the frequency of the sound output […]
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- Sound propagation in the vacuum
- F-CAMP-1/EV
  
  Details
  
  The device allows to study sound propagation in the vacuum.
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- Vacuum jar with bell
- F-CAMP/EV
  
  Details
  
  Sound propagates only in a conduction medium. The oscillations of the sound source (bell) arrive at the receiver (ear) through the propagation medium (air).
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