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← ScienceWhich result is observed when electrons undergo Bragg diffraction?
A)Constructive interference maximizes at specific angles✓
B)Destructive interference occurs consistently across all angles
C)Refraction leads to velocity change only
D)Pair production generates positrons near crystal
💡 Explanation
When electrons diffract off a crystal lattice, constructive interference occurs preferentially at specific incidence angles due to Bragg's law. This is Bragg diffraction, which causes intensity maxima, because the path length difference corresponds to integer multiples of the wavelength, rather than cancellation/refraction under different circumstances.
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