query: Is there a finite number of colors in the visible spectrum?
positive_passages.docid: 20427
positive_passages.text: Is there an infinite amount of wavelengths of light? Is the EM spectrum continuous?
negative_passages.docid: 57574
negative_passages.text: Are colors grounded in physics or are they a matter of human perception?
negative_passages.docid: 99735
negative_passages.text: Are there any theoretical limits on the energy of a photon?
negative_passages.docid: 60363
negative_passages.text: Photoelectric effect in a a frequency range
negative_passages.docid: 112605
negative_passages.text: Why does thermal radiation only occur at infrared and visible frequencies?
negative_passages.docid: 6045
negative_passages.text: Good color palette, usable for the color blind.
negative_passages.docid: 75308
negative_passages.text: Does there exist a laser that is tunable over the whole visible spectrum?
negative_passages.docid: 59246
negative_passages.text: RAW files store 3 colors per pixel, or only one?
negative_passages.docid: 5590
negative_passages.text: Colors from a computer vs. colors from visible spectrum of sunlight
negative_passages.docid: 2049
negative_passages.text: Shades of colors
negative_passages.docid: 142585
negative_passages.text: Is there a theoretical maximum for refractive index?
negative_passages.docid: 44171
negative_passages.text: Does visible light heat things up?
negative_passages.docid: 5409
negative_passages.text: Colorimetry is not the same
negative_passages.docid: 104967
negative_passages.text: Hue shade colours
negative_passages.docid: 41537
negative_passages.text: How does light combine to make new colours?
negative_passages.docid: 70818
negative_passages.text: Clarification on Rayleigh scattering causing various sky colors
negative_passages.docid: 31758
negative_passages.text: What determines color -- wavelength or frequency?