Question

Define principle of reversibility?.​

Answer 1

Answer:

A principle in optics: if light travels from a point A to a point B over a particular path, it can travel over the same path from B to A.

Explanation:

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Answer 2

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$\sf\huge\bold\red{Principle\:of \: reversibility}$

The principle of reversibility of light states that light follows the same path if the direction of the travel of light is reversed. In its simplest explanation, the principle of reversibility is a deduction of Snell's law of the refraction of light. .

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