When X radiation of λ = 154pm is incident on the surface of an iron crystal,...

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When X radiation of λ = 154pm is incident on the surface of an iron crystal,...

When X radiation of λ = 154pm is incident on the surface of an iron crystal, it produces a first-order diffraction at an angle θ of 32.6o. Calculate the length d of the unit cell of iron and express it in Å. If iron crystallizes fcc, determine the density of iron.

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