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← ScienceWhich effect causes shifting interference fringes when crystal surface oxidizes?
A)Change in optical path length✓
B)Increase in surface plasmon resonance
C)Reduction in crystal lattice spacing
D)Increase in crystal grain boundary scattering
💡 Explanation
Oxidation changes layer thickness, therefore the optical path length shift alters the fringes because index changes during Fresnel Reflection mechanism. Therefore interference patterns are changed; rather than other effects related to plasmons, lattice shrinking, or grain scattering.
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