Constants
♾️ Overview of physical and mathematical constants.They are called constants only because they have survived falsification so far
Physics SI Constants
| Constant Name | Symbol | Value | Unit | Formula | Copy |
|---|---|---|---|---|---|
| Caesium hyperfine frequency | ΔνCs | Hz | |||
| Speed of light | c | m/s | |||
| Planck Constant | h | J.s | E = h.ν | ||
| Elementary charge | e | C | |||
| Boltzmann constant | k | J/K | k = R / NA | ||
| Avogadro constant | NA | 1/mol |
Physics Constants
| Constant Name | Symbol | Value | Unit | Formula | Copy |
|---|---|---|---|---|---|
| Permeability of vacuum | μ₀ | H/m | μ₀=(2.α.h)/(e².c) | ||
| Permittivity of vacuum | ε₀ | F/m | ε₀ = 1 / (μ₀.c²) | ||
| Rest mass electron | me | kg | |||
| Rest mass proton | mp | kg | |||
| Faraday constant | F | C/mol | F = NA.e | ||
| Molar gas constant | R | J/mol.K | R = NA.k |
Mathematical Constants
| Constant Name | Symbol | Value | Unit | Formula | Copy |
|---|---|---|---|---|---|
| Pi | π | - | C = 2.π.r | ||
| Euler's number | e | - | e = lim (1 + 1/n)^n | ||
| Golden Ratio | φ | - | (1+√5)/2 |