defects

In the Schootky defect

In the Schottky 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

When the power of eye lens increases, the defect of vision is produced. The defect is known as

Explain Frenkel defect in ionic crystals. What type of compounds exhibit this defect ?

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