Physlets run in a Java-enabled browser on the latest Windows & Mac operating systems.
If Physlets do not run, click here for help on updating Java and setting Java security.
Problem 33.8: Hidden mirrors, point source
Please wait for the animation to completely load.
Four regions are hidden by a curtain. You can drag the source of light to any location and adjust the beam width (position is given in meters and angle is given in degrees).
- What is behind each curtain?
- Rank the objects in terms of their focal lengths, from smallest to greatest.
Problem authored by Melissa Dancy.