Q. Colorimeters are used to determine the concentration of solutions.

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Q. Which of the following is the purpose of balance indicator in double beam photometer or colorimeter?

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Q. Which of the following is the purpose of the beam splitter in double beam photometer or colorimeter?

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Q. Which of the following is a source used in spectroscopy?

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Q. Which of the following is not a source used in Mid Infrared Spectrophotometer?

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Q. Which of the following is the wave number of near infrared spectrometer?

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Q. Which of the following options are correct in terms of wavelength for the different types of IR spectrometer?

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Q. Which of the following is not a composition of Nernst glower or Nernst filament?

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Q. What is the composition of Globar rod which is used as a source in Mid IR spectroscopy?

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Q. Bolometer, a type of detector, is also known as ___________

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Q. Which of the following is not a technique for preparing solid samples in IR spectroscopy?

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Q. Which of the following is not used as pyroelectric material used in pyroelectric transducers in Infrared spectroscopy?

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Q. Which of the following is the principle of Golay cell which is used as a detector in IR spectroscopy?

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Q. In a solid sample treatment technique, the finely ground solid sample is mixed with mineral oil to make a thick paste which is then spread between IR transmitting windows. What is the name of this solid sample treatment technique?

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Q. Which of the following is not true about Fourier Transform Infrared (FTIR) spectrometer?

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Q. In the most widely used beam splitter, a thin film of ________ is sandwiched between two plates of low refractive index solid. Fill the blank with a suitable option.

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

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Q. 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?

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Q. Which of the following is not the advantage of Fourier Transform Spectrometers?

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Q. Which of the following has to be computed to determine transmittance and absorbance at various frequencies?

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