Which of the following best describes what a spectrophotometer is used for?
a. to precisely determine the wavelengths of light reflected by a pigment
b. to precisely determine the rate of light absorbed by a pigment
c. to approximately determine the wavelengths of light absorbed by a pigment
d. to precisely determine the wavelengths of light absorbed by a pigment
Answer: d. to precisely determine the wavelengths of light absorbed by a pigment
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