7 questions
Number of atoms per unit cell in FCC lattice is -----
1
2
3
4
the percentage of empty space in a body-centered cubic arrangement is
74
68
32
26
which of the following statement is not true about the hexagonal close packing
the coordination number is 12
it has 74% packing efficiency
tetrahedral void of the second layer are covered by the share of the third layer
in this arrangement spheres of the fourth layer are exactly aligned with those of the first layer
Smallest repeating unit of crystal lattice
Lattice site
Unit cell
Crystal lattice
Lattice point
In a primitive unit cell atoms are present at the
Corners & Centers of any 2 opposite sides
Corners only
Corners and Body Centre
Corners & Centers of all faces
There are ……….. Bravais lattices corresponding to 7 different Crystal Systems
8
9
14
13
Number of atoms per unit cell in a Face Centered Cubic lattice
4
1
2
6