Physics Classroom
The Physics Classroom: Light Waves and Color: Thin Film Interference
Students investigate an example of interference that provides further evidence in support of the wavelike behavior of light.
Georgia State University
Georgia State University: Hyper Physics: Total Internal Reflection
This physics department site provides a definition and explanation of the phenomenon of total internal reflection. Includes a diagram and an equation for calculating the critical angle for light approaching a surface.
University of Maryland
Optics Highlights: The Telescope
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of the invention of the telescope. Includes a short biographical sketch and discusses the work of Isaac Newton which focuses on his contribution...
Science4Fun
Science4 Fun: How Rainbows Work
Learn how rainbows work by reading this illustrated explanation.