what is reversibility of light?

Asked by  | 18th Feb, 2012, 05:51: PM

Expert Answer:

If a beam of light is reflected back on itself, it will traverse the same path or paths as it did before reversal. 

The principle of reversibility states that light will follow exactly the same path if its direction of travel is reversed.

Answered by  | 18th Feb, 2012, 10:15: PM

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