Total internal reflection is possible when light travels from
2016
Total internal reflection is possible when light travels from
- A.
Air to water
- B.
Air to glass
- C.
Water to glass
- D.
Glass to water
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Correct answer: D
Total internal reflection (TIR) occurs only when:
Light travels from a denser medium to a rarer medium
The angle of incidence is greater than the critical angle
🔍 Apply this to options:
Refractive index order:
Glass > Water > Air (Glass is densest, air is rarest)
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