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Al Tobias (wat4y) - Office: Gibson S123 & Physics 218, (434) 924-0538


Physics Demo Manual

Demonstrations are cataloged according to PIRA Bibliography

PLEASE REQUEST DEMOS WELL IN ADVANCE

Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.


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 Harmonic Motion
 Waves
  video  - Transverse Waves
  video  - Longitudinal Waves
 Acoustic levitation
  video  - Standing Waves
 Soap Film Standing Waves
 Bell in a Vacuum
  video  - Doppler Buzzer
  video  - Diffraction & Interference in Ripple Tank
 Double Slit Interference of Microwaves
 Interference of Sound Waves
  video  - Tuning Fork Beats
 Theremin
  video  - Oscillator Beats
 Acoustics
 Instruments

 video  - Doppler Buzzer

Purpose:

To demonstrate the doppler effect in the classroom through sound.

Procedure:

centered image
  DEMO VIDEO DOWNLOAD w/ sound / 1920x1080 / 24.19Mb/s / 160MB size  

  DEMO VIDEO DOWNLOAD w/ sound / 854x480 / 5.69Mb/s / 42MB size  


Turn on the battery operated buzzer and swing in a horizontal circle over head. Students should listen for the change in pitch of the buzzer as it moves towards then away from them.

Equipment:

  • buzzer w/ string attached