Q. Which among the following is true about Total Internal Reflection?
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(A)
A ray passing from rarer to denser medium and not able to pass to denser medium at an angle greater than critical angle
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(B)
A ray passing from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle
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(C)
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
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(D)
None of the above
✅ Correct Answer: (B)
A ray passing from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle