Q. In powder method, the powder sample is contained in which of the following?

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Q. Which of the following is the most common instrument for photographic recording of diffraction patterns?

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Q. With the help of which of the following equations is the distance calculated from a known wavelength of the source and measured angle?

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Q. In Diffractometer, the identification of a component of the sample from its powder diffraction pattern is based upon the _________ of lines and their relative ___________

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Q. When certain geometric requirements are met, X-rays scattered from a crystalline solid can constructively interfere with each other and produce a diffracted beam.

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Q. Diffractometers are similar to which of the following?

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Q. In Diffractometers, line intensities depend on ______ and kind of atomic reflection centres in each set of plates.

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Q. In Diffractometers, the intensities of the diffraction peaks of a given compound in a mixture are proportional to the fraction of the material in the mixture.

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Q. In powder diffractometer, the sharpness of the lines is greatly determined by which of the following?

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Q. Absorption meter is __________ and ____________ of the chemical state of the element concerned.

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Q. X-ray absorption meters have which of the following major disadvantages?

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Q. The applications of X-ray absorption meters are limited when compared with X-ray emission procedures.

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Q. In absorption meter, which of the following is placed between the cell and the X-ray tube?

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Q. In absorption meter, which of the following is placed between the chopper and the reference cell?

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Q. In absorption meter, the two halves of the X-ray beam are allowed to fall on which of the following components?

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Q. The photomultiplier tube used is absorption meter is coated with which of the following materials?

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Q. In absorption meter, which of the following is adjusted until the absorption of two X-ray beams are brought into balance?

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Q. In absorption meter, the change in thickness of aluminium required for different samples is a function of the difference in which of the following parameters?

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Q. Absorption meters cannot be used to detect broken bones.

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Q. If the absorption of electromagnetic radiation by matter results in the emission of radiation of the same or longer wavelengths for a long or a short time, the phenomenon is termed as which of the following?

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