One of the solid forms of iron, called $\alpha$-iron, crystallizes in a body-centered cubic lattice. If atomic planes of this form of iron are separated by 143.3 pm, at what angle would you find the first-order (n = 1)diffraction of 0.209 nm X-rays from these planes?

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The Answer of One of the solid forms of iron, called $\alpha$-iron, crystallizes in a body-centered cubic lattice. If atomic planes of this form of iron are separated by 143.3 pm, at what angle would you find the first-order (n = 1)diffraction of 0.209 nm X-rays from these planes?

One of the Solid Forms of Iron, Called α\alphaα -Iron, Crystallizes in a Body-Centered Cubic Lattice

One of the Solid Forms of Iron, Called $\alpha$ -Iron, Crystallizes in a Body-Centered Cubic Lattice