Question

what do you mean by reversibility of light

Answer 1

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

Answer 2

here is ur answer dude:-

The principle that 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.