Question

2. 12. What is point defect?​

Answer 1

$\huge\pink{Answer:-}$

Point defects are lattice defects of zero dimensionality

they do not possess lattice structure in any dimension

or

point defects are impurity atoms in a pure metal, vacancies and self-interstitials.

I hope this may helps you...!

Answer 2

This is the answer. The defeat or imperfection produced in the arrangement of a point like condtituent particle