Fermat�s principle
A principle stating that a ray of light follows the path that requires the least time to travel from one point to another, including reflections and refractions that may occur. Synonym least-time principle. [From Weik ’89]
A principle stating that a ray of light follows the path that requires the least time to travel from one point to another, including reflections and refractions that may occur. Synonym least-time principle. [From Weik ’89]