Assertion :The sun seems to rise before it actually rises and it appears to set after it actually sets. Reason: Near the horizon total internal reflection takes place.

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 C Assertion is correct but Reason is incorrect
Early sunrise and late sunset are results of atmospheric refraction. During sunrise or sunset, the sun is near the horizon. The sunlight coming from the sun at this time has to travel a long distance. During this time, the sunlight gets refracted by the layers of the atmosphere, and hence the image of the sun appears at some apparent height. This is the reason behind early sunrise and late sunset.
Near the horizon, sunlight does not suffer total internal reflection.
So, the assertion is correct but the reason is incorrect.

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