Wednesday, September 16, 2015

Refraction & Reflection

 
When light encounters a different medium than the one it is already in, it bends! This phenomenon in physics is known as refraction.

Total internal reflection is a phenomenon which occurs when a propagating wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface.


Watch:
www.youtube.com/watch?v=2kBOqfS0nmE

Know more:http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/refr.html
http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/totint.html

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