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A neutron beam of energy E scatters from...

A neutron beam of energy E scatters from atoms on a surface with a spacing d=0.1nm. The first maximum of intensity in the reflected beam occurs at `theta=30^(@)`. What is the kinetic energy of E of the beam in eV?

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To solve the problem step by step, we will use Bragg's law of diffraction and the relationship between wavelength, momentum, and kinetic energy. ### Step 1: Apply Bragg's Law Bragg's law states that: \[ 2d \sin \theta = n \lambda \] where: - \( d \) is the spacing between the atoms, - \( \theta \) is the angle of diffraction, ...
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