Question: (a) The scattering angle for 50 eV electrons from MgO is 55.6. What is the crystal spacing D? (b) What would be the scattering angle

(a) The scattering angle for 50 eV electrons from MgO is 55.6ยบ. What is the crystal spacing D? 

(b) What would be the scattering angle for 100 eV electrons?

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