The X-ray Diffraction Experiment MCQ

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• A convergent beam is obtained by placing which of the following material between the X-ray source and the sample?
  ক

  Soil particles

  খ

  Single crystal of carbon

  গ

  Linear double crystal of graphite

  ঘ

  Bent single crystal of quartz
• What is the disadvantage of the Debye-Scherrer film to obtain the d-spacings?
  ক

  Temperature required is too high

  খ

  Exposure time is long

  গ

  Closely spaced arcs are circular

  ঘ

  Cones formed by the diffracted beams are two heavy in weight
• In the powder method during the detection of the cones, two arcs are produced by the cone, in a well-powdered method these arcs appear as a___________
  ক

  Circle

  খ

  Cone

  গ

  Line

  ঘ

  Spotted lines
• During the detection of the cones by the thin strip of film which one of the following statements is appropriate for the cones and the films?
  ক

  Cones are parallel to the strip of the films

  খ

  Cones are perpendicular to the strip of the films

  গ

  Cones intersects the strip of the films

  ঘ

  Cones are vertically placed over the strip of the film
• In the powder method of the crystals if the Bragg’s angle is Θ then what is the angle of the cone formed by the diffracted beams?
  ক

  Θ

  খ

  2Θ

  গ

  3Θ

  ঘ

  4Θ
• Which of the following method for detecting the diffracted beams in the powder method of crystals?
  ক

  Miller method

  খ

  Dalton method

  গ

  Guinier method

  ঘ

  Stockbarger method
• In the powder method, in powder sample various _________ samples are also present in every possible orientation.
  ক

  Miller indices

  খ

  Lattice

  গ

  Unit cell

  ঘ

  Atoms