Spherical Lenses

Lenses are designed for specific applications. The shape of the lens determines the effect it will have on light. In this topic, you will learn how convex and concave lenses work in specific applications. You will use ray tracing to locate images and determine image characteristics.

Essential Questions:

• How is an image formed by a lens and how does the shape of the lens determine its image forming abilities?
• What is the difference between images formed by convex and concave lenses?