A Slab of Plastic Rests on a Slab of Glass

question 14

Multiple Choice

A slab of plastic rests on a slab of glass.A ray of light in the plastic crosses the interface between the plastic and the glass with the result that the ray bends toward the normal.What must be true about the indices of refraction in these materials?

• A)n_plastic > n_glass
• B)n_plastic < n_glass
• C)n_plastic = n_glass
• D)More information is needed to decide the answer.

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Definitions:

Terrifying

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Psychological Disorder

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The proportion of individuals in a population who have ever experienced a specific disorder at any time in their lives up to the point of assessment.