Physics

The Physics object is a namespace for physical constants and related functions.

Syntax

Physics

Properties

• SPEED_OF_LIGHT
• PLANCK
• HBAR
• G
• ELEMENTARY_CHARGE
• GAS_CONSTANT
• FINE_STRUCTURE
• AVOGADRO
• BOLTZMANN
• STEFAN_BOLTZMANN
• WIEN
• RYDBERG
• ELECTRON_MASS
• PROTON_MASS
• NEUTRON_MASS
• constant
• findConstants

Examples

Physics.SPEED_OF_LIGHT

299792458

Physics.constant("reduced muon Compton wavelength").value

1.867594306e-15

Physics.findConstants("wien")

[{
  name: "Wien displacement law constant",
  value: 0.0028977685,
  unit: "m K",
  uncertainty: 5.1e-9
}, {
  name: "Wien frequency displacement law constant",
  value: 58789257570,
  unit: "Hz K^-1",
  uncertainty: 0
}, {
  name: "Wien wavelength displacement law constant",
  value: 0.002897771955,
  unit: "m K",
  uncertainty: 0
}]