Q39
For a cubic metal with lattice parameter of 3.92°A, the first four diffraction peaks from the X-ray powder diffraction pattern taken with Cu-Ka radiation (λ = 1.5405°A) occur at 2θ values of 39.7, 46.2, 67.5 and 81.3 degrees. The crystal structure of the metal is
A.
simple cubic
B.
fcc
AnswerC.
bcc
D.
diamond cubic
Answer: Option B
Solution
Answer: Option B
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