Physics
Medium
Question
X-rays are diffracted by a crystal but not by a diffraction grating because_____________?
A
The ions in a crystal are well arranged
B
The lines in a diffraction grating cannot reflect X-rays.
C
The penetration power of X-rays is high in a diffraction grating
D
The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal
✓ Official correct answer
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A
The ions in a crystal are well arranged
No member explanations yet for this option.
B
The lines in a diffraction grating cannot reflect X-rays.
No member explanations yet for this option.
C
The penetration power of X-rays is high in a diffraction grating
No member explanations yet for this option.
D
The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal
No member explanations yet for this option.
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