defects

In the Schottky defect

In the Schootky defect

In Frenkel defect

Frenkel defect|Types of non stoichiometric defect

Given below is a diagram showing defect of human eye . Give two possible reasons for this defect eye defect .

Statement -1 Crystal defect are saomtimes called thermodnamic defect Statement -2 The number of defect genreally depends on the temperature

On the basis of the nature of ionic solids, compare Frenkel defect with Schottky defect.