A Light Ray in Material 1 Goes into Material 2

question 3

Multiple Choice

A light ray in material 1 goes into material 2. The angle of incidence in material 1 is 40.0° and the angle of refraction in material 2 is 31.0°. If the index of refraction of material 1 is 1.60, what is the index of refraction of material 2?

• A) 3.20
• B) 2.00
• C) 1.88
• D) 1.41
• E) 1.20

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