Question

explain crystallography by powder techniques
to evaluate
constant a?
​

Answer 1

Answer:

Explanation:

The powder method, devised independently by Debye and Scherrer, is probably ... of diffraction lines is required for many applications of the powder method, but a ... possible value of (h2+k2+l2) all other structures give characteristic absences. ... To describe a reflection as the first-order reflection from (1 0 0) planes implies ...

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