Iron metal is analyzed at 20°C with Braggs method.An cyrstal was fixed in positi

ID: 937711 • Letter: I

Question

Iron metal is analyzed at 20°C with Braggs method.An cyrstal was fixed in position so:

i) relfection was measured from crystal plane which was parallel to the unit cell of the crystal.

ii) reflection was measured from plane that cut reverse edges on the unit cell(diagonally through opposite edges).

iii) reflection was measured from planes that cut reverse corners of the unit cell(diagonally through opposite corners).

The reflection was then

i) = 11.°36'
ii) = 8°3'
iii) = 20°26'

What type is the cubical unit cell according to this information(sc, bcc, fcc)?

Fe most of the time forms BCC structures... how ever this problem lacked information . wavelength value is not provided here.

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