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Which mechanism causes increased interference when gigahertz radio waves encounter metallic nanoparticles?

A)Localized surface plasmon resonance
B)Diffraction-limited focusing effect
C)Quantum tunneling conductance increase
D)Increased electron-phonon interaction

💡 Explanation

Localized surface plasmon resonance amplifies the electric field near nanoparticles because the incident wave's frequency drives collective electron oscillations therefore the signal strength increases rather than decreasing due to scattering or tunneling effects.

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