In the DavissonGermer experiment, 54.0-eV electrons were
Chapter 40, Problem 43(choose chapter or problem)
In the DavissonGermer experiment, 54.0-eV electrons were diffracted from a nickel lattice. If the first maximum in the diffraction pattern was observed at f 5 50.0 (Fig. P40.43), what was the lattice spacing a between the vertical columns of atoms in the figure?
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