Question:
Create a correct sequence of parts in an Infrared spectrometer
Create a correct sequence of parts in an Infrared spectrometer
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In FT-IR, the "Interferometer" is the heart of the machine, placed between the sample and the detector.
Updated On: May 28, 2026
- A, B, C, D
- A, C, B, D
- D, C, A, B
- D, B, A, C
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The Correct Option is B
Solution and Explanation
Step 1: Concept
A spectrometer directs light from a source through a sample to a detector to measure absorption.
Step 2: Meaning
Modern IR spectrometers (FT-IR) use an interferometer to process the light beam.
Step 3: Analysis
The light starts at the IR source (A). It then passes through the Sample compartment (C). The beam enters the Interferometer (B) to create an interferogram. Finally, the signal is converted by the IR Transducer/Detector (D).
Step 4: Conclusion
The sequence is Source $\rightarrow$ Sample $\rightarrow$ Interferometer $\rightarrow$ Transducer (A-C-B-D).
Final Answer: (B)
A spectrometer directs light from a source through a sample to a detector to measure absorption.
Step 2: Meaning
Modern IR spectrometers (FT-IR) use an interferometer to process the light beam.
Step 3: Analysis
The light starts at the IR source (A). It then passes through the Sample compartment (C). The beam enters the Interferometer (B) to create an interferogram. Finally, the signal is converted by the IR Transducer/Detector (D).
Step 4: Conclusion
The sequence is Source $\rightarrow$ Sample $\rightarrow$ Interferometer $\rightarrow$ Transducer (A-C-B-D).
Final Answer: (B)
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