When the final path of a ray of light after any number of reflections and refractions is reversed, the ray of light retraces its path. This is known as
A
Law of reflection
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B
Law of refraction
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C
Law of reversibility
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D
All
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Solution
The correct option is C Law of reversibility When the final path of a ray of light after any number of reflections and refractions is reversed, the ray of light retraces back it entire path. This is called principle of the reversibility of light.