Physics · Optics - Total Internal Reflection
A light ray is incident on a transparent medium X which is in contact with another transparent medium Y. If the ray fails to emerge out into medium Y due to total internal reflection, then:
- 1Y is a denser medium and ∠i < C
- 2X is a rarer medium and ∠i > C
- 3X is a denser medium and ∠i > C✓
- 4X is a rarer medium and ∠i < C
Correct answer
X is a denser medium and ∠i > C
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