Skip to main content
We’re so back. See what’s new for the 2026-2027 school year →

🪐Principles of Physics IV
Key Terms

251 essential vocabulary terms and definitions to know for your Principles of Physics IV exam

Study Principles of Physics IV →

Browse All A-Z

#

4-vectors

A

Atomic Clocks
Atomic mass unit (amu)
Atomic mass units
Auger electron spectroscopy

B

Bell's Theorem
Bloch Theorem
Bohr Magneton
Bohr magneton (μ_b)
Boltzmann Distribution
Born Rule
Bottom quark
Bra-ket notation
Brane-world scenarios
Bubble Chambers

C

Canonical ensemble
Carbon dating
Casimir Effect
Causality Preservation
Charge conjugation
Charge Conjugation Symmetry
Charge conservation
Charged leptons
Charm quark
Chiral Symmetry Breaking
Classical momentum
Classical physics
Conservation of Probability
Control rods
Cooper Pairs
Copenhagen Interpretation
Cosmic ray muons
Cosmic rays
Cosmological constant
Coupling constants
Cp violation
CPT Theorem
Critical mass
Critical temperature

D

D-orbital
Dark energy
Dark matter
Decay Constant
Decoherence Theory
Deep inelastic scattering
Degenerate Fermi Gas
Degenerate Systems
Density of States
Dirac Notation
Direct detection experiments
Dose Limit

E

Electric charge conservation
Electromagnetic force
Electron degeneracy
Electron Energy Loss Spectroscopy
Electron microscopes
Electron mobility
Electron scattering
Electron spin
Electron volts
Electron-electron repulsion
Electron-positron annihilation
Electron-positron collisions
Energy transformation
EPR Paradox

F

F-orbital
Fermi Energy
Fermi Surface
Feynman's Path Integral Formulation
Field Theory
Fission Fragment
Fission products
Fission Yield
Four-vector
Frame of Reference