Description: In this lab, students see why you can't get an infinitely narrow beam of light, and then get a dramatic demonstration of interference of two light beams.
Writeup: the slit lab writeup, based very loosely on Cioffari lab #39
Useful java applets:
http://www.physics.otago.ac.nz/Physics100/simulations/Gamelan/java/slitdiffr/
http://lectureonline.cl.msu.edu/~mmp/kap27/Gary-TwoSlit/app.htm
http://www.Colorado.EDU/physics/2000/applets/twoslitsa.html
http://www.walter-fendt.de/ph14e/doubleslit.htm
http://www.walter-fendt.de/ph14e/singleslit.htm
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