Assertion: spectrophotometer | /r/CapableOf | measure a light beam's intensity
Facets:
value: before
type: TEMPORAL
value: as a function of its color
type: CAUSE
Source sentences:
text: Spectrophotometers are devices that can measure a light beam's intensity as a function of its color (wavelength).
text: A spectrophotometer measures the intensity of a light beam before and after it passes through a sample and compares these two intensities.