Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light
Six complete lessons on refraction and the ray model of light. Tutorials include informational text, interactive activities, animations, and quick, interactive comprehension checks along the way.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Light Dispersion Prisms
A tutorial which introduces students to the dispersion of light in more detail, and investigates the reasons why different frequencies of light bend or refract different amounts when passing through the prism.