In a powder diffraction photograph of copper (fcc structure with a lattice parameter of 0.3608 nm) taken with a cu-ka radiation (γ = 0.154 nm), the Bragg angle for the first line is
A. 12.3°
B. 17.6°
C. 21.7°
D. 25.3°
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Physics Of Metals In Metallurgy
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