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PHY.K02UF Molecular and Solid State Physics | ||||
Quantity | Symbol | Value | Units |
electron charge | e | 1.60217733 × 10-19 | C |
speed of light | c | 2.99792458 × 108 | m/s |
Planck's constant | h | 6.6260755 × 10-34 | J s |
reduced Planck's constant | ℏ | 1.05457266 × 10-34 | J s |
Boltzmann's constant | kB | 1.380658 × 10-23 | J/K |
Gravitational constant | G | 6.6726 × 10-11 | N m2/kg2 |
Acceleration of gravity at earth's surface | g | 9.807 | m/s2 |
electron mass | me | 9.1093897 × 10-31 | kg |
Stefan-Boltzmann constant | σ | 5.67051 × 10-8 | W m-2 K-4 |
Bohr radius | a0 | 0.529177249 × 10-10 | m |
proton mass | mp | 1.6726231 × 10-27 | kg |
neutron mass | mn | 1.6749286 × 10-27 | kg |
atomic mass constant | mu | 1.6605402 × 10-27 | kg |
permeability of vacuum | μ0 | 4π × 10-7 | N A-2 |
permittivity of vacuum | ε0 | 8.854187817 × 10-12 | F m-1 |
Coulomb constant | k | 8.98755 × 109 | m F-1 |
Avogado's constant | NA | 6.0221367 × 1023 | mol-1 |
π ≈ 3.141592653589793238462643383279502884197
Fundamental Physical Constants (National Institute of Standards and Technology, USA)
SI units
Measurement uncertainty