Solid State Physics I - SS3 Physics Past Questions and Answers - page 1
1
Which of the following is NOT a typical property of a solid-state material?
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A
High electrical conductivity
B
Fixed volume and shape
C
Ordered atomic structure
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D
High thermal conductivity
2
Which of the following is NOT a type of crystal lattice?
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A
Cubic
B
Hexagonal
C
Amorphous
D
Tetragonal
3
What is a band gap?
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A
The space between two energy bands in a solid
B
The difference in energy between two neighbouring atoms
C
The distance between two planes of atoms in a crystal
D
The density of states in a solid
4
Which of the following statements is true about semiconductors?
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A
They have a very small band gap
B
They are good conductors of electricity
C
Their electrical conductivity can be controlled by doping
D
They are only used in electronic devices that require low power consumption
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5
Which of the following is a common method for growing single crystals of a solid material?
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A
Mechanical grinding
B
Chemical vapour deposition
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C
Electroplating
D
Extrusion
7
What are the technological impacts of solid-state physics?
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8
What is a unit cell?
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A
The smallest repeating unit of a crystal lattice.
B
A group of atoms arranged in a specific pattern.
C
A type of crystal defect.
D
A type of impurity in a crystal.
9
Which of the following crystal systems has the highest degree of symmetry?
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A
Triclinic
B
Orthorhombic
C
Tetragonal
D
Cubic
10
Which of the following is NOT a type of crystal lattice?
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A
Simple cubic
B
Face-centred cubic
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C
Body-centred cubic
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D
Octahedral cubic
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