Overhead Projector
Plexiglass plates
Plexiglass plates
Plexiglass plates

 

Code Number: 3B45.05

Demo Title: Doppler Effect and Shock Waves - Overhead Projector Plates

Condition: Excellent

Principle: Doppler Effect

Area of Study: Oscillations & Acoustics

Equipment: 

Overhead Projector, Plexiglass plates.

Procedure:

Place the three Plexiglass plates on the overhead projector.  Start with the center of all three plates in the same position.  Re-position the plates to the doppler configuration desired.

References:

  • Figuring Physics, TPT, Vol. 58, #2, Feb. 2020, p. 135.
  • Correction: Paul Gluck, "Moving Sources: Doppler Beats and Mach Cones",  TPT, Vol. 43, # 9, Dec. 2005, p. 567.
  • Paul Gluck, "Moving Sources: Doppler Beats and Mach Cones", TPT, Vol. 43, # 6, Sept. 2005, p. 371.
  • Robert Alt and Sam Willey, "A Generalized Wave Diagram for Moving Sources", TPT, Vol. 42, # 9, Dec. 2004, p. 526.
  • William P. Brown, "The Doppler Demonstration", TPT, Vol. 27, # 8, Nov, 1989, p. 635.
  • W. Klein, G. Nagel, "Continuous Ripple-Tank Demonstration of Doppler Effect", AJP, Vol. 48, # 6, June 1980, p. 498.
  • P. C. B. Fernando, "A Simple Ripple Tank Demonstration of the Doppler Effect and the Bow Shock", AJP, Vol. 43, #1, Jan. 1975, p. 101.
  • Robert Ehrlich, "8.15, Doppler Effect and Shock Waves", Why Toast Lands Jelly-Side Down, p. 139.
  • David Kutliroff, "20, A Doppler Effect Demonstration with Water Waves", 101 Classroom Demonstrations and Experiments For Physics Teachers, p. 49.
  • Jearl Walker, "2.68, Wakes of Ducks and Aircraft Carriers", The Flying Circus of Physics Ed. 2, p. 109.
  • Curt Suplee, "Resonance and interference", Everyday Science Explained, National Geographic, p. 62.