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Which outcome results when an electromagnetic wave's frequency matches a molecule's vibrational mode within a material?

A)Resonant energy absorption occurs
B)Wave phase velocity increases linearly
C)Polarization rotates perpendicularly
D)Wavefront diffraction becomes minimized

💡 Explanation

When the electromagnetic wave's frequency matches the molecule's vibrational mode, resonant energy absorption occurs because the energy transfer is maximized at the resonant frequency, causing increased molecular oscillations. Therefore, resonant absorption results, rather than velocity increases, polarization rotation, or minimized diffraction, which involve different interactions.

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