Demo Number 281
Location Shelf 49
Description Speakers in phase are mounted at the ends of a rotatable bar.
 Related Demos 271,291299285281, 295, 9012
  • Observe how the speakers can seem to go out of phase as the bar rotates. This behavior changes for different frequencies.
  • Effect heard best with high frequency.
  • Not good for large lecture halls.
  • You will need:
    • Signal generator (shelf 61)
    • Lab stand

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This Demo is Part of the following Categories: 3B55 Interference and Diffraction of Sound