Physics · Total Internal Reflection
What is the primary condition for total internal reflection regarding the direction of light?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Light must travel through a vacuum.
- 2Light must travel parallel to the surface.
- 3Light must travel from a rarer medium to a denser medium.
- 4Light must travel from a denser medium to a rarer medium.✓
Correct answer
Light must travel from a denser medium to a rarer medium.
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