Young's Double Slit Experiment

Double slit experiment showing interference and diffraction.

You may change the:

* Distance between the slits
* Wave length
* Width of a slit
* Slit to screen distance

You may also:

* Switch from viewing the experiment to viewing the results
* Click and drag anywhere on the screen to change the viewpoint
* Double click anywhere to shift the origin

http://www.surendranath.org/Applets/Optics/Slits/DoubleSlitID/DblSltIntDifApplet.html