Fermat’s principle of least time

E141903 UNEXPLORED

Fermat’s principle of least time is a fundamental variational principle in optics stating that light follows the path that takes the least time, from which many laws of geometrical optics can be derived.

Observed surface forms (2)

Surface form Occurrences
Fermat's principle 1
Fermat’s principle in optics 1

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Snell’s law of refraction derivedFrom Fermat’s principle of least time
Euler–Lagrange equation generalizes Fermat’s principle of least time
this entity surface form: Fermat’s principle in optics
Pierre de Fermat notableWork Fermat’s principle of least time
this entity surface form: Fermat's principle