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Metallurgical Engineering · Q39

Physics of Metals in Metallurgy

Engineering and GATE · Metallurgical Engineering · question 39

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
Answer
C.
bcc
D.
diamond cubic

Answer: Option B

Solution

Answer: Option B
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