Concept explainers
(a)
Interpretation:
A body-centered cubic structure is given. The length of the line
Concept introduction: A crystal lattice is the three dimensional arrangement of atoms in space. The smallest unit of a crystal lattice is called a unit cell. There are mainly two types of unit cell.
- Primitive unit cell
- Centered unit cell.
The centered unit cell is of three types.
- Body centered unit cell
- Face centered cell
- End centered unit cell.
(b)
Interpretation:
A body-centered cubic structure is given. Using Pythagorean Theorem, the expression for the length of the line
Concept introduction: A crystal lattice is the three dimensional arrangement of atoms in space. The smallest unit of a crystal lattice is called a unit cell. There are mainly two types of unit cell.
- Primitive unit cell
- Centered unit cell.
The centered unit cell is of three types.
- Body centered unit cell
- Face centered cell
- End centered unit cell.
(c)
Interpretation:
A body-centered cubic structure is given. The expression for edge length
Concept introduction: A crystal lattice is the three dimensional arrangement of atoms in space. The smallest unit of a crystal lattice is called a unit cell. There are mainly two types of unit cell.
- Primitive unit cell
- Centered unit cell.
The centered unit cell is of three types.
- Body centered unit cell
- Face centered cell
- End centered unit cell.
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