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Home » Lecture Demonstration Manual » 2. Harmonic Motion, Waves and Sound » B. Waves

Table of Contents

  • 1. Mechanics
  • 2. Harmonic Motion, Waves and Sound
    • A. Simple Harmonic Motion
    • B. Waves
      • 10. Bell Wave Machine
      • 20. Doppler Shift
      • 30. Fluorescent Motor Driven String
      • 40. Fourier Analysis and Synthesis
      • 50. Group and Phase Velocity
      • 60. Kundt's Tube
      • 70. Light
      • 80. Longitudinal and Transverse Waves
      • 90. Microwaves
      • 100. Motor Driven String
      • 110. Ripple Tank
      • 120. Rubber Hose or Wave Spring
      • 130. Rudnick's String
      • 140. Soap Film Oscillations
      • 150. Space Phone
      • 160. Spontaneous Synchronization
    • C. Acoustics
  • 3. Matter and Thermodynamics
  • 4. Electricity and Magnetism
  • 5. Light and Optics
  • 6. Modern Physics
  • 7. Astronomy
  • 8. Software and Multimedia
  • 9. Index and code conversion from older manual
  • External Resources

50. Group and Phase Velocity

Can be illustrated with Moiré patterns on the overhead projector, or by adding sine waves of two different frequencies on the oscilloscope (M.P. Hagelberg, Am.J.Phys. 46(5),579 (1978)), or by showing a good film strip on the subject (#600).

‹ 40. Fourier Analysis and Synthesis up 60. Kundt's Tube ›
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