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← ScienceWhich consequence results when thin-film interference affects optical data storage?
A)Reduced data writing contrast✓
B)Increased disc rotational speed
C)Enhanced thermal data stability
D)Improved laser focusing precision
💡 Explanation
Reduced data writing contrast occurs because destructive interference diminishes the reflectivity difference between marked and unmarked regions. Therefore, data bits are harder to distinguish, rather than improved reading; this is because the signal reflected back becomes less clear, masking the written marks.
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