Ray Diagram

Instructions: Use the slider to adjust the radius of curvature of the lens. Grab the object candle to change its position and size. See the effects in the image.
Explanation:

Link to stand-alone sim: Here is a link to view the sim on its own, with no distractions.

Stand alone sim

Embed code: Use this sim on a webpage. Copy the code block below, and include it anywhere on a webpage to show the sim.