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X-rays are diffracted by a crystal but not by a diffraction grating because_____________?
Physicsmedium
AThe ions in a crystal are well arranged
BThe lines in a diffraction grating cannot reflect X-rays.
CThe penetration power of X-rays is high in a diffraction grating
The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal
Correct Answer: D. The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal
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