Physics · Optics (TIR)
Which of the following conditions is necessary for Total Internal Reflection (TIR) to occur?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Light travels from a rarer to a denser medium and the angle of incidence is less than the critical angle.
- 2Light travels from a denser to a rarer medium and the angle of incidence is less than the critical angle.
- 3Light travels from a rarer to a denser medium and the angle of incidence is greater than the critical angle.
- 4Light travels from a denser to a rarer medium and the angle of incidence is greater than the critical angle.✓
Correct answer
Light travels from a denser to a rarer medium and the angle of incidence is greater than the critical angle.
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