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In a diamond, the index of refraction for violet light (λ = 400 nm) is 2.46,...

In a diamond, the index of refraction for violet light (λ = 400 nm) is 2.46, and for red light (λ = 700 nm) it is 2.41. A ray of light traveling through air strikes the diamond surface at an angle of 42.8° to the normal. What is the angular separation between these two colors of light in the refracted ray?

A. 0.72°

B. 0.35°

C. 0.96°

D. 1.16°

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