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Physics
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Physics
X-rays are diffracted by a crystal but not by a diffraction grating because_____________?
A
The ions in a crystal are well arranged
Option A
B
The lines in a diffraction grating cannot reflect X-rays.
Option B
C
The penetration power of X-rays is high in a diffraction grating
Option C
The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal
Correct answer
Correct answer: D
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