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← ScienceWhich outcome occurs the further an X-ray's wavelength approaches the dimension of a crystal lattice?
A)Increased phonon population destabilizing material
B)Constructive interference yields diffraction peaks✓
C)Reduced thermal excitation in the material
D)Electron-hole pairs causing high current
💡 Explanation
Constructive interference generates diffraction patterns called Bragg peaks when X-ray wavelengths are comparable to the lattice spacing, because the X-rays are scattered by atoms in the lattice. Therefore measurable peaks appear, rather than diffuse scattering from imperfect structures at other mismatch wavelengths.
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