Ray Diagram Lens. A ray diagram is a representation of the possible paths light can take to get from one place to another. Examples are given for converging and diverging lenses and for the cases where the object is inside and outside the principal focal length.
In this lesson we will see a similar method for constructing ray diagrams for double concave lenses. In a ray diagram a convex lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens. The rays parallel to the principal axis and the ray through the center of the lens are drawn.
The distance from the lens to the principal focus is called the focal.
Feedback greatly received particularly constructive ways to improve. A concave lens ray diagram is a simple way of visualising the path that light rays take when passing through a concave lens. Ray diagrams for lenses the image formed by a single lens can be located and sized with three principal rays. It is important to be able to draw ray diagrams to show the refraction of a wave at a boundary.