A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that cannot be explained by a theory and therefore...

The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be...

In physics, a dimensionless physical constant is a physical constant that is dimensionless, i.e. a pure number having no units attached and having a numerical...

fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α (the Greek letter alpha), is a fundamental physical constant that quantifies...

The gravitational constant is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal...

The term physical constant expresses the notion of a physical quantity subject to experimental measurement which is independent of the time or location...

The Planck constant, or Planck's constant, denoted by h {\textstyle h} , is a fundamental physical constant of foundational importance in quantum mechanics:...

The constant is also a combination of the constants from Boyle's law, Charles's law, Avogadro's law, and Gay-Lussac's law. It is a physical constant that...

Fundamental physical constant may refer to: A dimensionless physical constant, one that is independent of the system of units used A physical constant that is...

initial value of Λ {\displaystyle \Lambda } , the values of the 3 physical constants will be eligible for rescaling fulfilling the dimensionless ratio...

definition, the numerical value of the Avogadro constant in mol−1 (the Avogadro number) was a physical constant that had to be determined experimentally. The...

physicist Johannes Rydberg, is a physical constant relating to the electromagnetic spectra of an atom. The constant first arose as an empirical fitting...

In physical chemistry, the Faraday constant (symbol F, sometimes stylized as ℱ) is a physical constant defined as the quotient of the total electric charge...

The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic...

International System of Quantities were redefined in terms of natural physical constants, rather than human artefacts such as the standard kilogram. Effective...

permeability of vacuum, magnetic constant) is the magnetic permeability in a classical vacuum. It is a physical constant, conventionally written as μ0 (pronounced...

Control variable or scientific constant, in experimentation the unchanging or constant variable Physical constant, a physical quantity generally believed...

mathematical constant or physical constant are sometimes used to distinguish this meaning. A function whose value remains unchanged (i.e., a constant function)...

to estimate the physical size of molecules in 1865. The term Loschmidt constant is also sometimes used to refer to the Avogadro constant, particularly in...

free space, the electric constant, or the distributed capacitance of the vacuum. It is an ideal (baseline) physical constant. Its CODATA value is: ε0 = 8...

maximum. The solar "constant" is not a physical constant in the modern CODATA scientific sense; that is, it is not like the Planck constant or the speed of...

The molar mass constant, usually denoted by Mu, is a physical constant defined as one twelfth of the molar mass of carbon-12: Mu = M(12C)/12. The molar...

This is a list of common physical constants and variables, and their notations. Note that bold text indicates that the quantity is a vector. List of letters...

(mathematics) List of mathematical constants List of numbers Physical constant List of physical constants Weisstein, Eric W. "Constant". mathworld.wolfram.com....

comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures...

practice, this hypothesis is formulated in terms of dimensionless physical constants. In 1913, chemist Lawrence Joseph Henderson wrote The Fitness of the...

measurement systems for which selected physical constants have been set to 1 through nondimensionalization of physical units. For example, the speed of light...

cosmological constant as simply another fundamental physical constant not predicted or explained by theory. Such a renormalization constant must be chosen...

The elementary charge, usually denoted by e, is a fundamental physical constant, defined as the electric charge carried by a single proton (+1 e) or,...

subject List of numbers List of physical constants Particular values of the Riemann zeta function Physical constant Both i and −i are roots of this equation...