Assertion :When a ray of light travels from ice to water the refracted ray at the point of incidence bends towards the normal. Reason: The ray goes from rarer to denser medium.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
According to the laws of refraction, when a ray of light enters from a rarer to a denser medium, it bends towards the normal. And ice is a rarer optical medium as compared to water.
Since, velocity of light is less in a denser medium as compared to a rarer medium, therefore, angle of incidence is more than the angle of refraction, thus, the ray bends towards the normal.

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