Physics · Ray Optics
Which of the following conditions is mandatory for Total Internal Reflection (TIR) to occur?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The angle of refraction must be exactly 45 degrees
- 2Light must travel from a denser medium to a rarer medium, and the angle of incidence must be greater than the critical angle✓
- 3The angle of incidence must be less than the critical angle
- 4Light must travel from a rarer medium to a denser medium
Correct answer
Light must travel from a denser medium to a rarer medium, and the angle of incidence must be greater than the critical angle
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