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← ScienceWhich outcome dominates when thin oil films produce colors?
A)Constructive wave interference occurs✓
B)Refractive index gradients diverge spatially
C)Gravitational settling alters film thicknesses
D)Oil viscosity prevents proper light transmission
💡 Explanation
Constructive interference amplifies certain wavelengths, causing colors because the slightly different path lengths lead to phase shifts that reinforce rather than cancel. Destructive interference diminishes other wavelengths, therefore, colorful patterns, not viscosity, manifest.
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