# 17-22-097

Talbot's law

law stating that when a point on the retina is excited by a light stimulus that undergoes periodic variations in magnitude at a frequency that exceeds the critical flicker frequency , the visual perception produced is identical to that produced by a steady stimulus whose magnitude is equal to the mean magnitude of the variable stimulus taken over one period

Note 1 to entry: This entry was numbered 845-02-51 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-1299 in CIE S 017:2011.

Publication date: 2020-12