Discussion
An abridged spectrophotometer differs from a full one in that it
Answer: C
Correct answer: samples the spectrum at a limited number of wavelengths
An abridged instrument uses a set of filters or a small detector array to sample the spectrum at a limited number of points rather than scanning it continuously. It still reports spectral data and still needs calibration; what it gives up is resolution, which matters for samples with sharp spectral features and matters little for ordinary colourants.
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