APFIVE Properties of Refraction
When a light ray travels from medium 1 into medium 2, the angle of refraction is greater than the angle of incidence. Which of the following statements must be true?
A
Light travels slower in medium 2 than in medium 1
B
Total internal reflection is occurring
C
Light travels faster in medium 2 than in medium 1
D
The wavelength of light is smaller in medium 2
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