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← ScienceWhich mechanism causes increased diffraction when waves narrow?
A)Huygens' principle of secondary wavelets✓
B)Doppler shifts increasing propagation velocity
C)Increased wave amplitude and energy
D)Refraction causes frequency wavelength shift
💡 Explanation
Huygens' principle explains diffraction as each point on a wavefront acting as a source of secondary wavelets, therefore diffraction enhances as the opening narrows because the interference pattern spreads out rather than continuing in a straight path.
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