GRE Subject 2026 Practice Test Physics Solid State Physics Free Quiz 1

1. What does solid state physics study?

A. Physical properties of solids B. Motion of objects C. Electricity and magnetism D. Heat and temperature

2. What is the smallest repeating unit in a crystal lattice?

A. Lattice B. Basis C. Crystal system D. Unit cell

3. What is a set of points in space with identical surroundings?

A. Unit cell B. Bravais lattice C. Basis D. Crystal system

4. What is the group of atoms attached to each lattice point?

A. Basis B. Bravais lattice C. Unit cell D. Crystal system

5. How many Bravais lattices are there in three dimensions?

A. 7 B. 5 C. 14 D. 32

6. Which crystal system has three axes of different lengths at right angles?

A. Cubic B. Tetragonal C. Orthorhombic D. Hexagonal

7. Which crystal system has two axes of equal length at 120°?

A. Cubic B. Tetragonal C. Orthorhombic D. Hexagonal

8. Which crystal system has three axes of equal length with angles not 90°?

A. Cubic B. Rhombohedral C. Tetragonal D. Hexagonal

9. Which crystal system has two axes at right angles and one oblique?

A. Monoclinic B. Triclinic C. Orthorhombic D. Hexagonal

10. Which crystal system has all axes of different lengths and all angles oblique?

A. Monoclinic B. Orthorhombic C. Triclinic D. Hexagonal