10. Transverse Pulses and Waves

3B10.1 Long Spring 3B10.2 Torsion Wave Machine (also called Shive or Bell Labs Wave Machine)

20. Longitudinal Pulses and Waves

3B20.1 Long Slinky

22. Standing Waves

3B22.1 Standing Waves on a String (formerly Modes of Vibration) 3B22.2 Standing waves on the Torsion Wave Machine 3B27.20 Columbia Wave Machine

30. Wave Properties of Sound

3B30.1 Sound in Vacuum

40. Doppler Effect

3B40.1 Doppler Whistle

50. Interference and Diffraction

3B50.1 Ripple Tank 3B50.22 Double Source Sound Interference 3B50.40 Moire Transparencies 3B50.52 Superposition Computer Simulation

60. Beats

3B60.1 Beats with Tuning Forks 3B60.18 Beats with Function Generators 3B60.21 Beats Computer Simulation

70. Coupled Resonators

3B70.1 Sympathetic Vibration in Tuning Forks