Question

significance of imperfection in solids​

Answer 1

Answer:

There is no such thing as a perfect crystal. Crystalline imperfections (or defects) are always present. A screw dislocation is when a half twist disrupts the overall crystal structure.

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Answer 2

Answer:

Vacancy defect also decreases the density of solid. When some extra constituent particles (atoms, molecules or ions) are acquainted in the interstitial sites, the solid lattice is said to have an interstitial defect. ... Remember electrical neutrality is of utmost importance for the existence of ionic solids.

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