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← ScienceWhich consequence results when transparent polymer experiences high material stress?
A)Stress-induced birefringence is manifested✓
B)Reduced thermal expansion occurs
C)Increased compressive strength results
D)Refractive index homogeneity increases
💡 Explanation
Stress causes chain alignment inducing stress-induced birefringence, a polarization effect because the refractive index varies with polarization direction; therefore light splits into orthogonal polarization components, rather than remaining unchanged.
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