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← ScienceWhich mechanism limits energy absorption within a metamaterial absorber?
A)Impedance mismatch prevents full absorption✓
B)Surface plasmon resonance enhances reflection
C)Bragg diffraction concentrates energy buildup
D)Critical coupling inhibits complete transmission
💡 Explanation
Impedance mismatch limits absorption because it reflects incoming electromagnetic waves. Energy absorption is maximum when impedance is matched, therefore minimizing reflection, rather than diffraction, which changes wave direction.
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