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Questions and Answers
What is the main difference between a single beam spectrometer and a double beam spectrometer?
What is the main difference between a single beam spectrometer and a double beam spectrometer?
- The intensity of the incident light
- The cost of the spectrometer
- The type of light source used
- The way the reference reading is taken (correct)
What is the advantage of using a double beam spectrometer?
What is the advantage of using a double beam spectrometer?
- It is less expensive
- It uses a different type of light source
- It allows for simultaneous reference and sample readings (correct)
- It is more complicated
Why is the sample removed in a single beam spectrometer?
Why is the sample removed in a single beam spectrometer?
- To reduce the cost of the spectrometer
- To change the light source
- To allow for reference reading (correct)
- To allow for sample reading
What happens to the light source in a double beam spectrometer?
What happens to the light source in a double beam spectrometer?
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Which type of spectrometer is usually less expensive?
Which type of spectrometer is usually less expensive?
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Study Notes
Single Beam Spectrometer
- Measures intensity of incident light by removing sample and placing reference each time
- Typically less expensive and less complicated than double beam spectrometer
Double Beam Spectrometer
- Splits light source into two separate beams before reaching sample
- One beam passes through sample, while the other serves as a reference
- Allows for simultaneous reading of reference and sample, offering an advantage over single beam spectrometer
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