2. The following table lists diffraction angles for the first three peaks (first-order) of the x-ray diffraction pattern for some metal. Monochromatic x-radiation having a wavelength of 0.0711 nm was used. (a) Determine whether this metal's crystal structure is FCC, BCC or neither FCC or BCC and explain the reason for your choice. (b) If the crystal structure is either BCC or FCC, identify which of the metals gives this diffraction pattern (Check the reference book to identify the element). Justify your decision. Peak Number Diffraction Angle (2q) 1 18.27° 2 25.96° 3 31.92°

Elements Of Electromagnetics
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2. The following table lists diffraction angles for the first three peaks (first-order) of the x-ray
diffraction pattern for some metal. Monochromatic x-radiation having a wavelength of 0.0711 nm
was used.
(a) Determine whether this metal's crystal structure is FCC, BCC or neither FCC or BCC
and explain the reason for your choice.
(b) If the crystal structure is either BCC or FCC, identify which of the metals gives this
diffraction pattern (Check the reference book to identify the element). Justify your decision.
Peak Number
Diffraction Angle
(2q)
1
18.27°
25.96°
3
31.92°
Transcribed Image Text:2. The following table lists diffraction angles for the first three peaks (first-order) of the x-ray diffraction pattern for some metal. Monochromatic x-radiation having a wavelength of 0.0711 nm was used. (a) Determine whether this metal's crystal structure is FCC, BCC or neither FCC or BCC and explain the reason for your choice. (b) If the crystal structure is either BCC or FCC, identify which of the metals gives this diffraction pattern (Check the reference book to identify the element). Justify your decision. Peak Number Diffraction Angle (2q) 1 18.27° 25.96° 3 31.92°
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