Physics

Physics

The branch of science concerned with the properties of matter and energy and the relationships between them.

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Physics > Color science

spectral power distribution of a light

Physics; Color science

At each wavelength in the visible spectrum, the power of the light at that wavelength as a proportion of its total power over the visible spectrum.

focal color

Physics; Color science

A paradigm example of a member of a basic color category.

cone

Physics; Color science

One of the two main classes of photoreceptor found in the vertebrate eye. Cones produce usable outputs only at relatively high light levels and provide the main inputs for color ...

chromaticity diagram

Physics; Color science

A diagram that represents the unit plane (the plane defined by the equation X+Y+Z=1) in a tristimulus space. The location of a stimulus with a particular set of tristimulus ...

chromaticity

Physics; Color science

Location in a chromaticity diagram. Chromaticity is often used as a convenient approximation to chromaticness, which is the hue and saturation of a color ignoring brightness.

L-M cell

Physics; Color science

A spectrally opponent type of ganglion cell that is excited by inputs from L-cones and inhibited by inputs from M-cones. These cells (together with M-L cells) are of interest ...