Parabolic Reflectors:  The Focal Point (continued).

Description: In this video clip, circular waves are created at the focal point.  They propagate and part of each wave reflects off the curved barrier. This video was produced at 15 frames per second.
Click for a larger movie.

Questions:

1.Describe the changes that take place in the wave after reflection.

2. Compare and contrast this to the behavior of the waves in the previous section.

On to Part Five