Which phenomenon describes the splitting of light into two rays upon entering a

Which phenomenon describes the splitting of light into two rays upon entering a birefringent material?

Which phenomenon describes the splitting of light into two rays upon entering a birefringent material?

Step 1: Understand what birefringent material is. It is a type of material that has different refractive indices for different polarizations of light.
Step 2: Know that when light enters a birefringent material, it can split into two separate rays.
Step 3: Recognize that this splitting occurs because the material affects the two rays differently based on their polarization.
Step 4: Learn that this phenomenon of splitting light into two rays is called double refraction.

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