Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich mechanism causes increased electrical resistance when polycrystal grain boundaries misalign?
A)Impeded electron wave constructive interference✓
B)Increased phonon dispersion momentum transfer
C)Enhanced point defect electron scattering
D)Raised Fermi level electron degeneracy
💡 Explanation
Electron wave transmission is affected by mismatched crystalline regions, because electron diffraction increases when periodic potential alters, therefore impeding electron wave constructive interference increases resistance, rather than alternate scattering from phonon/point defects without wave behavior consideration.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which consequence results when excessive supercooling occurs during steel's phase transition?
- Which effect occurs when an organic molecule absorbs infrared radiation matching a vibrational mode's frequency?
- Which outcome results when excessive charge accumulates on electrostatically stabilized colloidal dispersion?
- Which mechanism explains decreased energy output from a fuel cell operating at sub-zero temperatures?
- Which consequence results when stimulated Brillouin scattering occurs in fiber optics?
- Which outcome characterizes a laser operating above threshold?
