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← ScienceWhich outcome results when attempting to read a scratched, multilayer optical disc?
A)Data corruption via constructive interference✓
B)Reduced track density exacerbates errors
C)Increased servo latency recovers promptly
D)Thermal runaway amplifies servo seeking
💡 Explanation
Data corruption occurs because light reflecting from different layers undergoes thin film interference (both constructive and destructive), therefore some wavelengths combine reinforcing errors, rather than reflections being uniform aiding integrity.
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