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← ScienceWhich outcome occurs when imperfections increase in interferometer mirrors?
A)Fringe visibility decreases noticeably✓
B)Wavelength measurement accuracy increases
C)Spatial resolution improves notably
D)Optical power requirement diminishes
💡 Explanation
Fringe visibility degrades because diffused reflections from mirror imperfections cause destructive interference, diminishing the signal strength rather than improving resolution or power. Therefore, the fringe contrast decreases due to reduced coherence.
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