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← ScienceWhich outcome occurs when defects disrupt a crystal lattice?
A)Increased phonon scattering inhibits conduction✓
B)Decreased electron excitation lowers temperature
C)Enhanced photon emission creates luminescence
D)Reduced mechanical stress improves strength
💡 Explanation
Increased phonon scattering inhibits conduction because lattice defects interrupt regular vibrations, meaning heat dissipates less efficiently. Therefore, thermal conductivity decreases, rather than improving material strength or affecting photon emission where other considerations are at play.
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