Category
page 1Fundamental constants
speed of light in vacuum
speed of electromagnetic waves in vacuum
Planck constant
physical constant representing the quantum of action
Avogadro constant
fundamental physical constant (symbols: L, Nᴀ) representing the molar number of entities
Newtonian gravitational constant
physical constant relating the gravitational force between objects to their mass and distance
Boltzmann constant
Physical constant relating energy with temperature and other intensive physical quantities
fine-structure constant
physical constant quantifying the strength of the electromagnetic interaction between elementary charged particles
permittivity of vacuum
physical constant defining the capability of an electric field to permeate a vacuum
magnetic constant
physical constant; ratio between the magnetic H-field and the magnetic B-field in classical vacuum
dimensionless physical constant
physical constant with no units
proton-to-electron mass ratio
physical constant