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Which 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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