Question
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.
Ask the Expert