About This Lesson
Uses www.falstad.com/ripple java applet to demonstrate reflection; refraction; total internal reflection and diffraction of water waves.From Paul Falstad: You have permission to use these applets in a classroom setting or take screenshots as long as the applets are unmodified. Modification or redistribution for non-commercial purposes is allowed; as long as you credit me (Paul Falstad) and provide a link to my page (the page you found the applet(s) on; or http://www.falstad.com/mathphysics.html).
Wow!! Thanks for this link. Exactly what I was looking for. The ability to draw your own boundary is top knotch.