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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Q. Computer accepts analog signals directly.

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Q. Which of the following is the reference that is generally used in FTIR interferometer?

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Q. In Michelson Interferometer, if the reflected and transmitted beams are in phase at the beam splitter, then maximum intensity will reach the detector.

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Q. In Michelson’s interferometer, the frequency of the detector output can be determined by translating the _________ of movable mirror and the ___________ of monochromatic radiation.

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Q. In Michelson’s interferometer, the __________ of the detector output will depend upon the intensity of incoming radiation.

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Q. Why is the computer necessary in Fourier Transform Spectrometer?

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Q. Which of the following is the principle of Atomic Absorption Spectroscopy?

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Q. In Atomic Absorption Spectroscopy, which of the following is the generally used radiation source?

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Q. In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed?

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Q. How can the intensity of radiation be increased in Hollow cathode lamp?

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Q. Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?

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Q. Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy?

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