M.Sc. Bio-Physics (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

Practice Mode:
9.

Schottky defect in a crystal is observed when,

A: Unequal number of cations and anions are mission from the lattice
B: Equal number of cations and anions are missing from the lattice
C: An ion leaves its normal site and occupies an interstitial site
D: No ion is missing from its lattice site

The answer is: B