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AP Physics 2
13.3 Refraction
BeginnerMCQConceptual24.7k
A 2D schematic diagram showing a triangular glass prism surrounded by air. The prism is depicted as an equilateral triangle with its flat base horizontal at the bottom and its apex pointing upward. A single straight line representing an incident light ray with an arrowhead pointing down and to the right approaches the left slanted face of the prism from the upper left. A dashed line perpendicular to the left slanted face marks the normal at the point of incidence. No separated colored rays, exit rays, or internal rays are drawn inside or beyond the prism. No other labels, lines, text, or axes appear.
Light entering a triangular glass prism.
A beam of white light traveling through air enters a triangular glass prism as shown in the diagram. Inside the glass, dispersion causes the red and blue wavelength components of the light to travel along slightly different paths. Which color of light bends more upon passing through the prism, and what is the correct physical justification?

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