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← ScienceWhich visual effect occurs when an oil film contaminates asphalt?
A)Iridescent color bands appear visible✓
B)Increased road surface reflectivity
C)Localized asphalt melting begins rapidly
D)Reduced pavement friction develops steadily
💡 Explanation
Iridescent bands appear because thin-film interference splits white light into component wavelengths; therefore color bands appear, rather than other effects like melting, because the oil selectively enhances some wavelengths depending on thickness.
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