Which defect causes decrease in the density of crystal (a) Frenkel (b) Schottky (c) Interstitial (d) F – centre Which defect causes decrease in the density of crystal (a) Frenkel (b) Schottky (c) Interstitial (d) F - centre February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,