Fri January 25, 2013 By:

what is the principle of reversibility of light. also show that incidennt rayof light o the emergent ray of light when falls obliquely on a side rectangular glass slab.

Expert Reply
Sun January 27, 2013
Pls post one query at a time.
The principle of reversibility states that light will follow exactly the same path if its direction of travel is reversed.
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