Physics Classroom
The Physics Classroom: Lesson 3: Concave Mirrors
Lesson 3 of this tutorial on refraction is on concave mirrors. Content that is covered includes the anatomy of curved mirrors, reflection of light and image formation, ray diagrams, image characteristics for concave mirrors, plus more.
Physics Classroom
The Physics Classroom: Image Formation for Concave Mirrors: Case B
A reference page that explores how an image is formed in a concave mirror. Page includes a ray diagram that shows the geometrical lines of sight.
Georgia State University
Georgia State University: Hyper Physics: Mirrors in Imaging
A discussion from Georgia State University of different types of mirrors and the images which they create. Discusses different instruments which use mirrors to produce images.
Georgia State University
Georgia State University: Hyper Physics: Mirror Instruments
This site from Georgia State University discusses the means by which mirrors and lenses are combined to produce an optical instrument which accomplishes a specific purpose. Good illustrations.
Georgia State University
Georgia State University: Hyper Physics: Ray Diagrams for Mirrors
Provides a discussion of curved mirrors and ray diagrams. Shows and explains the process of drawing a ray diagram to determine the image location, size, and orientation.
Physics Classroom
The Physics Classroom: Reflection and the Ray Model of Light
A four-lesson tutorial on the reflection and the ray model of light. These complete tutorials include informational text, interactive activities, animations, and quick, interactive comprehension questions.
Boston University
Bu: Optics: Geometric Optics
Several short descriptions of demonstrations which illustrate principles of geometric optics (many of which focus upon refraction).