Associate the contribution of the scattering factor of each ion to each term of Eq (19.10)
19.2)
In an FCC lattice, what can you say about the reflections from all h k l even vis-a-vis all h k l odd?
19.3)
For a body-centered lattice, deduce the rules for systematic absences using analogies from the details worked out for the FCC lattice.
19.4)
Determine the coordinates of each atom of a hexagonal lattice and a monoclinic lattice.
19.5)
The von Laue method is different from Bragg's derivation of Bragg's law. But both the results agree at the end. Look up the derivation based on von Laue method.
19.6)
Using = h /
estimate the temperature at which thermal neutrons have a wavelength of 10 pm . Through what potential difference (V) should electrons be accelerated so that they attain a value of = 10 pm ? Use = h /
= h /
estimate the temperature at which thermal neutrons have a wavelength of 10 pm . Through what potential difference (V) should electrons be accelerated so that they attain a value of 
