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← ScienceWhich consequence results when strong external magnetic fields reduce polarization?
A)Verdet effect rotates light’s polarization
B)Faraday rotation shifts the frequency
C)Cotton-Mouton effect causes birefringence✓
D)Kerr effect induces second harmonics
💡 Explanation
Reduced polarization in optical materials under magnetic fields increases alignment among molecules. Therefore, birefringence results because material refractive indices differ on polarization axes, rather than frequency shifts due to direct magnetic coupling.
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