Total Internal Reflection Can Occur When a Light Ray Moves

question 5

Multiple Choice

Total internal reflection can occur when a light ray moves across a boundary between different materials in which direction?

• A) Parallel to the surface, but only if the ray is polarized
• B) Exactly perpendicular to the surface, no matter what the indices of refraction
• C) From the material with the faster speed of light, into the material with the slower speed of light
• D) From a material with a slower speed of light to a material with a faster speed of light

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