This java applet shows the physics behind a beam of light impinging at some angle

The java applet was divided into two region lower half (water) and upper half (air).

Click links to switch: between water-air and air-water cases

Usage¡GYou will find a flashlight under the water surface. (Picture)

Your suggestions are highly appreciated! Please click

Author¡GFu-Kwun Hwang, Dept. of physics, National Taiwan Normal University

Last modified : More physics related java applets