Answered: 18. Constructive interference in X-ray… | bartleby

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18. Constructive interference in X-ray
diffraction is accomplished by
half-integral number of wavelengths equa
to the path difference.
180 degrees phase difference of the
outgoing waves from the crystal.
270 degrees phase difference of the
incoming waves from the crystal.
integral number of wavelengths equal to
the path difference.

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