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Refraction, Snell's Law, and Total Internal Reflection
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Grade Level
Physics
12.93 Refraction, Snell's Law, and Total Internal Reflection
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Which condition best describes how a light pipe keeps rays guided through bends?
A
At each core-cladding hit, the ray must strike below the critical angle.
B
At each core-cladding hit, the ray must be in the higher-index core and strike above the critical angle.
C
The cladding must have a higher index than the core.
D
The ray frequency must decrease at each reflection.
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