It gives the value of various physical constants such speed of light c, boltzmann constant k, charge of electron etc. in S.I or MKS units.
y = phyconst(constant)
output
It is used to choose the desired physical constant and can be set from 1 to 25.
Speed of light c.
Vacuum Permeability.
Vacuum Permittivity.
Planck's Constant h.
hbar = h/2pi.
Avogadro Number Na.
Boltzmann Constant k.
Molar Gas constant R.
Stefan Boltzmann Constant.
Gravitational Constant G.
Value of 1 light year in metre.
Acceleration due to gravity.
Magnitude of charge of electron.
Mass of muon.
Mass of proton.
Mass of neutron.
Mass of electron.
Electromagnetic hyperfine structure constant.
Rydberg Constant
Bohr's radius a0.
Bohr Magneton muB.
Nuclear Magneton muN.
Magnitude of magnetic moment of electron.
Magnitude of magnetic moment of proton
Thomson cross-section.
This function takes the parameter constant and provides the value of various physical constants that can be directly used in various calculations.
// Energy of photon of wavelength 10 nm. h=phyconst(4) c=phyconst(1) lambda=1e-8 y = (h*c)/lambda disp(y) | ![]() | ![]() |