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Which outcome occurs when applying thin-film anti-reflective coating?

A)Suppressed reflection at design wavelength
B)Increased transmission at all wavelengths
C)Enhanced substrate thermal conductivity uniformly
D)Increased material scattering across spectrum

💡 Explanation

Applying anti-reflective coatings achieves destructive interference between reflected waves from the air-coating and coating-substrate interfaces; therefore reflection is suppressed at the design wavelength rather than causing increased transmission at all wavelengths because destructive interference is specific to design wavelength.

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