Waves at boundaries and interference

Type: 
Stories
Keywords: 
teaching, physics, waves

Tomorrow I am teaching a class on waves. I wanted to talk about waves at boundaries and interference.

Here is a great animation of the "waves at a boundary":

http://www.kettering.edu/~drussell/Demos/reflect/reflect.html

Great visual explanation of constructive and destructive interference and standing waves:

http://www2.biglobe.ne.jp/~norimari/science/JavaEd/e-wave2.html
http://www2.biglobe.ne.jp/~norimari/science/JavaEd/e-wave3.html
http://www2.biglobe.ne.jp/~norimari/science/JavaEd/e-wave4.html

Here is a good demonstration of constructive and destructive interference:


Here is a great site for high speed photography of all sorts of wave phenomena:

http://www.ap.smu.ca/demos/navigation/navigation_frames.html

Here is a quick visual demonstration of how standing waves form:


Wave resonance demonstrated on a bridge: