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AP Physics 2
14.4 Electromagnetic Waves
14.3 Boundary Behavior of Waves and Polarization
IntermediateMCQProportional AnalysisConceptual18.7k
A horizontal rectangular block labeled 'Acrylic, n = 1.50' sits on a white background. To the left of the block, the region is labeled 'Vacuum, n = 1.00'. A single thin straight arrow labeled 'Light beam' points horizontally to the right from the vacuum, entering the left vertical boundary of the acrylic block at normal incidence and continuing inside the block. No other labels, lines, text, or axes appear.
A light beam entering an acrylic block.
A beam of monochromatic light travels through a vacuum with frequency \(f_0\) and wavelength \(\lambda_0\). The light beam then enters a large block of clear acrylic with an index of refraction \(n = 1.50\) at normal incidence. Which of the following correctly compares the frequency \(f\) and wavelength \(\lambda\) of the light inside the acrylic block to its original values in the vacuum?

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