Light {monochromatic light}| can have one wavelength.
Light {polychromatic light}| can have many wavelengths.
Magenta, yellow, and green pigments {primary pigment}| mix to make black.
Variations {dichroism}| in absorbed-light color can depend on light-polarization direction. Dichroism indicates molecule orientation, which can be linear, circular {circular dichroism}, or elliptical. Microvilli rhabdom can lie parallel, exhibit dichroism, and detect polarized-light polarization plane.
5-Physics-Wave-Electromagnetic-Frequency
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Date Modified: 2022.0225