37. In hexagonal close packing of spheres in three dimensions. 1)one unit cell contain 12 octahedral voids and all are completely inside the unit cell. 2)one unit cell contain 6 octahedral voids and all are completely inside the unit cell. 3)one unit cell contain 6 octahedral voids and all present at edge centres. 4)in one unit cell contain 12 tetrahedral voids and all are completely inside the unit cell.

37. In hexagonal close packing of spheres in three dimensions. 1)one u

1.	37. In hexagonal close packing of spheres in three dimensions. 1)one unit cell contain 12 octahedral voids and all are completely inside the unit cell. 2)one unit cell contain 6 octahedral voids and all are completely inside the unit cell. 3)one unit cell contain 6 octahedral voids and all present at edge centres. 4)in one unit cell contain 12 tetrahedral voids and all are completely inside the unit cell.
Answer» 37. In hexagonal close packing of spheres in three dimensions. 1)one unit cell contain 12 octahedral voids and all are completely inside the unit cell. 2)one unit cell contain 6 octahedral voids and all are completely inside the unit cell. 3)one unit cell contain 6 octahedral voids and all present at edge centres. 4)in one unit cell contain 12 tetrahedral voids and all are completely inside the unit cell.