Question

whαt íѕ thє príncípαl σf rєvєrѕíвílítч......????

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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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The principle of reversibility presupposes that the attenuation of a light ray during its passage through an optical medium because of reflection, refraction, and absorption is not affected by a reversal of the direction of the ray.