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← ScienceWhich risk increases when a uniaxial crystal is rotated between crossed polarizers?
A)Lost signal due to birefringence✓
B)Total internal reflection disappears
C)Increased chromatic aberration occurs
D)Raman scattering becomes less precise
💡 Explanation
Signal loss increases because optical activity causes a phase shift via *birefringence*, rotating polarization relative to the analyzer and diminishing intensity transmission. Therefore, less light gets through, rather than reflection changes or aberrations, especially since Raman scattering is inelastic.
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