HW for Friday

Revisit the Ripple applet and play with the "two sources" set-up.  It may be helpful to look at the different color schemes.

http://falstad.com/ripple/

You are witnessing waves "interfering" with each other.

This can happen quite easily with light - passing light through small openings creates "diffraction" patterns.

Look into this phenomenon, checking out images online.

Also, see if you find out some information about this equation:





Detailed info here - you don't have to read the entire thing, but have a look if there is time:

http://en.wikipedia.org/wiki/Diffraction


Finally, if you're bored over break and want to read ahead, look into HOLOGRAPHY.