Q:

X-rays are diffracted by a crystal but not by a diffraction grating because ??

A) The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal B) The penetration power of X-rays is high in a diffraction grating
C) The lines in a diffraction grating cannot reflect X-rays. D) The ions in a crystal are well arranged
 

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Category: Physics MCQs
Sub Category: Physics MCQ Questions

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