Which of the Following Statements Regarding Double Beam Spectrophotometers Is

question 20

Multiple Choice

Which of the following statements regarding double beam spectrophotometers is NOT true?

• A)The reference beam allows for automatic correction for source intensity fluctuations.
• B)Comparison of the power emerging from the sample and reference beams determines absorbance and transmittance.
• C)The reference beam allows for automatic correction for detector drift.
• D)The reference beam is created using a stationary mirror.
• E)The reference beam is created using a rotating mirror.

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