Which one of these statements is true? (A) the atomic spacing in crystals is too fine to produce...

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Which one of these statements is true?
(A) the atomic spacing in crystals is too fine to produce observable diffraction effects with matter waves
\( P \)
(B) Only charged particles have matter waves associated with them
(C) Identical diffraction patterns are obtained when either electrons or neutrons of the same kinetic
W. energy are incident on a single crystal
(D) Electrons, neutrons, and x-rays of appropriate energies can all produce similar diffraction patterns
- when incident on single crystals
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