optics review
http://www.youtube.com/watch?v=AJLJsgqgJI4&NR=1
Critical angle lab
http://www.youtube.com/watch?v=AJLJsgqgJI4
total internal reflection in a stream of water
ray diagram aplet
http://phet.colorado.edu/en/simulation/geometric-optics
simplified ray diagram
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=48
Optics Powerpoint (Homer)
http://www.physics.uiowa.edu/~rmerlino/6Fall09/29006_L32.ppt
OPTICS Power point
Do Google advanced search, ppt format, optics CPO
Focal point does matter