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← ScienceWhich outcome results when coating thickness improperly influences multiple reflections?
A)Destructive thin-film interference occurs.✓
B)Refractive index remains unaffected
C)Total internal reflection reverses
D)Constructive laser amplification emerges
💡 Explanation
Destructive thin-film interference cancels reflected light because path length differences induce phase shifts, causing destructive superposition. Therefore, certain wavelengths are attenuated, weakening reflectance, rather than having constructive amplification or changing reflectance unaffected elsewhere.
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