Packing Efficiency
CHXII01:THE SOLID STATE

318923 Total volume of atoms present in a face-centred cubic unit cell of a metal is ( r is atomic radius)

1 123πr3
2 163πr3
3 203πr3
4 243πr3
CHXII01:THE SOLID STATE

318924 The empty space left in a hexagonal close packing of spheres in three dimensions is

1 64%
2 26%
3 14%
4 52.4%
CHXII01:THE SOLID STATE

318925 The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:
(Given density =10 g cm3 and NA=6.022×1023 )

1 6.6×1020
2 6.6×1023
3 6.6×1019
4 6.6×1022
CHXII01:THE SOLID STATE

318926 In which pair most efficient packing is present?

1 HCP and BCC
2 HCP and CCP
3 BCC and CCP
4 BCC and simple cubic cell
CHXII01:THE SOLID STATE

318923 Total volume of atoms present in a face-centred cubic unit cell of a metal is ( r is atomic radius)

1 123πr3
2 163πr3
3 203πr3
4 243πr3
CHXII01:THE SOLID STATE

318924 The empty space left in a hexagonal close packing of spheres in three dimensions is

1 64%
2 26%
3 14%
4 52.4%
CHXII01:THE SOLID STATE

318925 The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:
(Given density =10 g cm3 and NA=6.022×1023 )

1 6.6×1020
2 6.6×1023
3 6.6×1019
4 6.6×1022
CHXII01:THE SOLID STATE

318926 In which pair most efficient packing is present?

1 HCP and BCC
2 HCP and CCP
3 BCC and CCP
4 BCC and simple cubic cell
CHXII01:THE SOLID STATE

318927 The percentage packing efficiency of bcc lattice is x% and the percentage packing efficiency of simple cubic lattice is y%.
The value of (xy) is

1 68
2 52.4
3 100
4 15.6
CHXII01:THE SOLID STATE

318923 Total volume of atoms present in a face-centred cubic unit cell of a metal is ( r is atomic radius)

1 123πr3
2 163πr3
3 203πr3
4 243πr3
CHXII01:THE SOLID STATE

318924 The empty space left in a hexagonal close packing of spheres in three dimensions is

1 64%
2 26%
3 14%
4 52.4%
CHXII01:THE SOLID STATE

318925 The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:
(Given density =10 g cm3 and NA=6.022×1023 )

1 6.6×1020
2 6.6×1023
3 6.6×1019
4 6.6×1022
CHXII01:THE SOLID STATE

318926 In which pair most efficient packing is present?

1 HCP and BCC
2 HCP and CCP
3 BCC and CCP
4 BCC and simple cubic cell
CHXII01:THE SOLID STATE

318927 The percentage packing efficiency of bcc lattice is x% and the percentage packing efficiency of simple cubic lattice is y%.
The value of (xy) is

1 68
2 52.4
3 100
4 15.6
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CHXII01:THE SOLID STATE

318923 Total volume of atoms present in a face-centred cubic unit cell of a metal is ( r is atomic radius)

1 123πr3
2 163πr3
3 203πr3
4 243πr3
CHXII01:THE SOLID STATE

318924 The empty space left in a hexagonal close packing of spheres in three dimensions is

1 64%
2 26%
3 14%
4 52.4%
CHXII01:THE SOLID STATE

318925 The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:
(Given density =10 g cm3 and NA=6.022×1023 )

1 6.6×1020
2 6.6×1023
3 6.6×1019
4 6.6×1022
CHXII01:THE SOLID STATE

318926 In which pair most efficient packing is present?

1 HCP and BCC
2 HCP and CCP
3 BCC and CCP
4 BCC and simple cubic cell
CHXII01:THE SOLID STATE

318927 The percentage packing efficiency of bcc lattice is x% and the percentage packing efficiency of simple cubic lattice is y%.
The value of (xy) is

1 68
2 52.4
3 100
4 15.6
CHXII01:THE SOLID STATE

318923 Total volume of atoms present in a face-centred cubic unit cell of a metal is ( r is atomic radius)

1 123πr3
2 163πr3
3 203πr3
4 243πr3
CHXII01:THE SOLID STATE

318924 The empty space left in a hexagonal close packing of spheres in three dimensions is

1 64%
2 26%
3 14%
4 52.4%
CHXII01:THE SOLID STATE

318925 The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:
(Given density =10 g cm3 and NA=6.022×1023 )

1 6.6×1020
2 6.6×1023
3 6.6×1019
4 6.6×1022
CHXII01:THE SOLID STATE

318926 In which pair most efficient packing is present?

1 HCP and BCC
2 HCP and CCP
3 BCC and CCP
4 BCC and simple cubic cell
CHXII01:THE SOLID STATE

318927 The percentage packing efficiency of bcc lattice is x% and the percentage packing efficiency of simple cubic lattice is y%.
The value of (xy) is

1 68
2 52.4
3 100
4 15.6