# planck function meaning

[Thermodynamics]

The negative of the Gibbs free energy divided by the absolute temperature.

The negative of the Gibbs free energy divided by the absolute temperature.

- planck: Noun: Planck ...
- max planck: Noun: Max PlanckGe ...
- planck constant: [Electronics]Symbo ...

## Examples

- The temperature derived from the
*Planck function*is referred to as the brightness temperature ( which see, for derivation ). - This set of assumptions leads directly to the mean intensity and source function being directly equivalent to a blackbody
*Planck function*of the temperature at that optical depth.