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← ScienceWhich effect results when monochromatic light encounters a soap film?
A)Constructive or destructive interference✓
B)Increased photon tunneling probability
C)Uniform spectral power broadening
D)Stable resonant frequency absorbance
💡 Explanation
Color bands appear as thin film interference selectively reinforces or cancels wavelengths because light waves reflecting from the front and back surfaces interfere. Therefore, constructive or destructive interference arises, rather than simple absorption or predictable tunneling behavior.
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