Solid State Chemistry: Modern X-Ray Powder Techniques and their Applications

This set of Solid State Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Modern X-Ray Powder Techniques and their Applications”.

MCQ based on Modern X-Ray Powder Techniques and their Applications:

1. A powder diffractometer is an___________
a) Electron density instrument
b) Powder electron refraction instrument
c) X-ray spectrum detector instrument
d) Powder X-ray instrument.


2. In the powder diffractometer, the counter is set, the counter is set to scan at a ________
a) Variable temperature
b) Constant temperature
c) Constant angular velocity
d) Variable angular velocity


3. The intensities in the powder diffractometer is taken as________
a) very low height
b) peak height
c) constant height
d) variable height


4. In the powder diffractometer, a correction factor varies with which of the following factors?
a) Temperature
b) Solubility
c) Concentration
d) Angle 2Θ


5. Which of the following phenomenon takes place when the arrangement of the crystal is not random?
a) The temperature increases
b) The temperature decreases
c) Preferred orientation exits
d) Preferred orientation enters


6. Which one of the following is the big disadvantage of the Debye-Scherrer cameras?
a) High intensity diffracted beams
b) High intensity refracted beams
c) Low intensity refracted beams
d) Divergent diffracted beams


7. Using the convergent X-ray in powder diffractometer which of the following factor is affected?
a) Temperature
b) Reflection
c) Resolution
d) Concentration


8. Which one of the following is an additional feature of the focusing cameras?
a) X-ray
b) Crystal monochromator
c) Gamma rays detector
d) Electron stopper


9. A crystal monochromator contains which of the following material?
a) X-ray beam detector
b) A very small crystal
c) Crystal electrode
d) Large single crystal


10. For the accurate measurement of the d-spacings which of the following method is best to use?
a) Stockbarger method
b) Refractometry method
c) Diffractometry method
d) Dalton method

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