Java Security Update: Oracle has updated the security settings needed to run Physlets.
Click here for help on updating Java and setting Java security.
Problem 35.4: Focal length of converging lens
Please wait for the animation to completely load.
A lens is shown with a light source. The light source is constrained to move along the line y = 0.4 m (position is given in meters). Restart. What is the focal length of the lens?
Problem authored by Melissa Dancy.