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← ScienceWhich outcome characterizes transmissive grating use near Brewster's angle?
A)Enhanced contrast of certain grating orders✓
B)Diffraction efficiency exhibits polarization independence
C)Reduced grating efficiency in all orders
D)Complete suppression of specular reflection
💡 Explanation
At Brewster's angle, one polarization is not reflected; this is because the **interference** between reflected waves is destructive for that polarization, therefore causing enhanced transmission of the orthogonal polarization and higher contrast, rather than overall reduced grating efficiency under orthogonal incidence conditions.
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