Fri January 25, 2013 By: Ankur Pandey

What is Total Internal Reflection?

Expert Reply
Fri January 25, 2013
When light moves from an optically denser medium to an optically rarer medium, then it bends away from the normal. As the angle of incidence reaches a critical limit, the light instead of going to the other medium, it reflects back to the first medium. It is called Total Internal Reflection
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