Colorimetry and Spectrometry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Colorimetry and Spectrometry, a fundamental topic in the field of Analytical Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Colorimetry and Spectrometry MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Colorimetry and Spectrometry mcq questions that explore various aspects of Colorimetry and Spectrometry problems. Each MCQ is crafted to challenge your understanding of Colorimetry and Spectrometry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Analytical Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Colorimetry and Spectrometry MCQs are your pathway to success in mastering this essential Analytical Instrumentation topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Colorimetry and Spectrometry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Colorimetry and Spectrometry knowledge to the test? Let's get started with our carefully curated MCQs!

Colorimetry and Spectrometry MCQs | Page 6 of 10

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Q51.
Which of the following is not the function of the drive mechanism in Fourier Transform Infrared Spectrophotometer?

a.

Movement of mirror to obtain a satisfactory interferogram

b.

Acquire a good interferogram pattern

c.

Allow 50% of the beam to pass

d.

Keep the speed of the moving mirror constant

Discuss
Answer: (c).Allow 50% of the beam to pass
Q52.
Only pyroelectric transducer or pyroelectric crystals are used as detectors in Fourier Transform Infrared Spectrophotometer (FTIR). What is the main reason for other types of thermal detectors are not being used in FTIR spectrophotometer?

a.

Less accuracy

b.

Slower response

c.

Less precision

d.

Less sensitivity

Discuss
Answer: (b).Slower response
Q53.
Which of the following is not the advantage of Fourier Transform Spectrometers?

a.

Signal to noise ratio is high

b.

Information could be obtained on all frequencies

c.

Retrieval of data is possible

d.

Easy to maintain

Discuss
Answer: (d).Easy to maintain
Q54.
Which of the following has to be computed to determine transmittance and absorbance at various frequencies?

a.

Ratio of signal and noise

b.

Ratio of sample and reference spectra

c.

Sample spectra

d.

Reference spectra

Discuss
Answer: (b).Ratio of sample and reference spectra
Q55.
Computer accepts analog signals directly.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q56.
Which of the following is the reference that is generally used in FTIR interferometer?

a.

Air

b.

NaCl solution

c.

Alcohol

d.

Base solution

Discuss
Answer: (a).Air
Q57.
In Michelson Interferometer, if the reflected and transmitted beams are in phase at the beam splitter, then maximum intensity will reach the detector.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q58.
In Michelson’s interferometer, the frequency of the detector output can be determined by translating the _________ of movable mirror and the ___________ of monochromatic radiation.

a.

Velocity, wavelength

b.

Thickness, intensity

c.

Length, velocity

d.

Angle, intensity

Discuss
Answer: (a).Velocity, wavelength
Q59.
In Michelson’s interferometer, the __________ of the detector output will depend upon the intensity of incoming radiation.

a.

Velocity

b.

Frequency

c.

Amplitude

d.

Phase

Discuss
Answer: (c).Amplitude
Q60.
Why is the computer necessary in Fourier Transform Spectrometer?

a.

To display the detector output

b.

To process the detector output

c.

To determine the amplitude

d.

To determine the frequency

Discuss
Answer: (b).To process the detector output
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