Assertion :The light travelling from air to glass can suffer total internal reflection Reason: Air is denser than glass.

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 D Both Assertion and Reason are incorrect
Only a ray travelling from denser to rarer medium will go through total internal reflection. Air is rare than glass.
$s i n C = \frac{n_{1}}{n_{2}}$ , where C is critical angle and $n_{2}$ is refractive index for denser medium and $n_{1}$ is of rarer medium.
Both Assertion and Reason are incorrect..

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