Which among the following is true about Total Internal Reflection ........

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Which among the following is true about Total Internal Reflection?

A ray passing from rarer to denser medium and not able to pass to denser medium at an angle greater than critical angle

A ray passing from either denser to rarer medium or rarer to denser medium and not able to pass any medium at an angle smaller than critical angle

A ray passing from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle

A ray passing from either denser to rarer medium or rarer to rarer medium and not able to pass any medium at an angle smaller than critical angle

In total internal reflection, a ray passes from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle.

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