Assertion :The principle of reversibility can be extended to systems that consists of media having a continuously variable refractive index. Reason: Principle of reversibility is applicable for both refraction and reflection.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The principle of reversibility can be extended to systems that consist of media having a continuously variable refractive index.
The light rays reflect partially when the angle of incidence is equal to angle of reflection, i.e., the reflected ray also made same angle with the normal showing that the principle of optical reversibility holds for reflection as well as refraction

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