Solid State (Class 12th) Flashcards
1
Q
packing efficiency of simple cubic unit cell
A
52.4
2
Q
packing efficiency of FCC
A
74
3
Q
packing efficiency of BCC
A
68
4
Q
packing efficiency of HCP - 3D
A
74
5
Q
packing efficiency of HCP - 2D
A
90.4
6
Q
packing efficiency of Square Close Packing
A
78.4
7
Q
packing efficiency of diamond
A
34
8
Q
relation between edge length and radius in simple cubic unit cell
A
a=2r,d=a
9
Q
relation between edge length and radius in FCC
A
a=2root2r d=a/root2
10
Q
relation between edge length and radius in BCC
A
a=4r/√3 d=√t3 a /2
11
Q
Density of unit cell (g/cm^3)
A
z*M/ Avag. no. * a^3
12
Q
z(no of atoms in lattice) value for FCC,BCC and ECC
A
4,2,2
13
Q
z value for HCP-3d
A
6
14
Q
z value for diamond
A
8
15
Q
Nacl type, Zns type, CaF2 type , Na2O type z=
A
4
