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Physical constants - definitions

Symbols
used
Definition
  • Math - apply
atomic mass constant
  • Math - math
  • Math - math
Avogadro constant
  • Math - apply
Bohr magneton
  • Math - apply
  • Math - apply
  • Math - apply
Bohr radius
  • Math - apply
  • Math - apply
Boltzmann constant
  • Math - apply
  • Math - apply
electron rest mass
  • Math - math
elementary charge
  • Math - apply
Faraday constant
  • Math - math
fine structure constant, α
  • Math - apply
gas constant
  • Math - apply
gravitational constant
  • Math - apply
Hartree energy
  • Math - apply
neutron rest mass
  • Math - apply
nuclear magneton
  • Math - apply
permeability of vacuum, μ 0
  • Math - apply
  • Math - apply
permittivity of vacuum
  • Math - apply
h = 6.626 06896 33 × 10 −34 J s in Planck constant
  • Math - apply
ℏ = h 2 π = 1.054 571 628 53 × 10 −34 J s in Planck constant
  • Math - apply
proton magnetic moment
  • Math - apply
proton rest mass
  • Math - apply
c 1 = 2 π h c 0 2 = 3.741 7749 22 × 10 −16 W m 2 in radiation constants
  • Math - apply
c 2 = h c 0 k = 1.438 769 12 × 10 −2 m K in radiation constants
  • Math - apply
Rydberg constant
  • Math - apply
  • Math - apply
speed of light in a vacuum
  • Math - apply
Stefan–Boltzmann constant