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← ScienceWhich outcome occurs when contaminants change optical density?
A)Reduced constructive interference in thin-films✓
B)Increased chromatic aberration lens focusing
C)Increased signal noise across waveguides
D)Higher power consumption in optical amplifiers
💡 Explanation
Reduced constructive interference occurs because contaminants disrupt the optical path length difference needed for constructive interference in thin-films. The mechanism is thin-film interference; therefore, the observed fringe intensities decrease, rather than the alternative effects occurring.
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