In the cubic close packing the unit cell has…….
a. 4 tetrahedral voids each of which is shared by four adjacent unit cells.
b. 4 tetrahedral voids within the unit cell
c. 8 tetrahedral voids each of which is shared by four adjacent unit cells
d. 8 tetrahedral voids with the unit cells
Ans. c
Explanation : In the cubic close packing the unit cell has 8 tetrahedral voids within it and are located at each eight smaller cube of an unit cell
(11)