Speaker Bar

Speaker bar
PIRA: 
3B55.10
Area: 
3 Oscillations and Waves
Topic: 
3B Wave Motion
Concept: 
Interference and Diffraction

 

Two speakers driven from a common source are mounted at the ends of a long bar. The bar can be moved slightly or the students can move their heads to hear the interference patterns. The speakers may also be driven by separate sources.

 

Demo Contact

Scott Thomas
Demonstration Manager
828-262-2435
thomassa@appstate.edu