A crystal was analyzed using X‑ray diffraction with radiation from a cobalt source. The observed angle...
A crystal was analyzed using X‑ray diffraction with radiation from a cobalt source. The observed angle was 7.65∘.7.65∘.
Determine the distance between layers of the crystal.
Homework Answers
This problem can be approached by using Bragg's Law of Diffraction which states
On rearranging it becomes
Where 
wavelength of
X-ray used , 
is the interplanar
spacing. 
is diffraction
angle.
Co-K
has wavelength
of 1.79 
. and is
7.65 . Solving it we get = 6.723 (Ans)
interlayer spacing.
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