Davisson and Germer Experiment Consider a crystal with the atoms arranged in a cubic array, each atom a distance 0.91 A from its nearest neighbor.

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Davisson and Germer ExperimentConsider a crystal with the atoms arranged in a cubic array, each atom a distance 0.91 °A from its nearestneighbor. Examine the conditions for Bragg reflection from atomic planes connecting diagonallyplaced atoms. (a) Find the longest wavelength electrons that can produce a first-order maximum. (b)If 300 eV electrons are used, at what angle from the crystal normal must they be incident to producea first order maximum ?please see the attachment for the documentation

 
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