Multiple Choice
X-rays are directed toward a crystal.The first order diffraction peak appears at 11 for certain crystallographic planes.The separation between the planes is 0.512 nm.What is the wavelength of the x-rays?
A) 0.312 nm.
B) 0.216 nm.
C) 0.183 nm.
D) 0.195 nm.
E) 0.140 nm
Correct Answer:

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Correct Answer:
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