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spectral luminous efficiency

noun

  1. a measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unity V(λ)(for photopic vision)V′(λ)(for scotopic vision)


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spectral linespectral series