Definition of REPROACH. 1. : an expression of rebuke or disapproval. 2. 3. a: a cause or occasion of blame, discredit, or disgrace b: discredit, disgrace. 4.
What is the difference between a spectrophotometer and a photometer? A photometer simply measure the total lumens of a light source, while a spectrophotometer will measure a whole spectral of that same light source.
About. This short animation demonstrates the inner workings of a spectrophotometer. Here's how a spectrophotometer works. A lamp provides the source of light. The beam of light strikes the diffraction grating, which works like a prism and separates the light into its component wavelengths.