Physical Constants

The physical constants are:

Category

Available Name

 

 

 

Chemist

Avogadro (Avogadro’s Number,

 

 

NA)

 

Boltz. (Boltmann, k)

 

mol. vo... (molar volume, Vm)

 

univ gas (universal gas, R)

 

std temp (standard temperature,

 

 

St dT)

 

std pres (standard pressure,

 

 

St dP)

Phyics

StefBolt (Stefan-Boltzmann, σ)

 

light s... (speed of light, c)

 

permitti (permittivity, ε0)

 

permeab (permeability, μ0)

 

acce gr... (acceleration of

 

 

gravity, g)

 

gravita... (gravitation, G)

Quantum

Plank’s (Plank’s constant, h)

 

Dirac’s (Dirac’s, hbar)

 

e charge (electronic charge, q)

 

e mass (electron mass, me)

 

q/me ra... (q/me ratio, qme)

 

proton m (proton mass, mp)

 

mp/me r... (mp/me ratio,

 

 

mpme)

 

fine str (fine structure, α)

 

mag flux (magnetic flux, φ)

 

Faraday (Faraday, F)

 

Rydberg (Rydberg, R∞ )

 

Bohr rad (Bohr radius, a0)

 

Bohr mag (Bohr magneton, μB)

 

nuc. mag (nuclear magneton,

 

 

μN)

 

photon... (photon wavelength,

 

 

λ)

 

photon... (photon frequency,

 

 

f0)

 

Compt w... (Compton

 

 

wavelength, λc)

 

 

 

R-16