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MCQs

Total Questions : 62 | Page 6 of 7 pages
Question 51. Layers of atoms producing particular reflection will make a
  1.    constant angle
  2.    diffused angle
  3.    different angle
  4.    series of angles
 Discuss Question
Answer: Option A. -> constant angle
Answer: (a).constant angle
Question 52. Broadening of spots into arcs refers to
  1.    good orientation
  2.    poor orientation
  3.    moderate orientation
  4.    haphazard orientation
 Discuss Question
Answer: Option B. -> poor orientation
Answer: (b).poor orientation
Question 53. X-ray beam passing through powdered crystals is called a
  1.    inside photograph
  2.    wonder photograph
  3.    power photograph
  4.    powder photograph
 Discuss Question
Answer: Option D. -> powder photograph
Answer: (d).powder photograph
Question 54. Single halo shows characteristics of
  1.    amorphous material
  2.    rigid material
  3.    soft material
  4.    porous material
 Discuss Question
Answer: Option A. -> amorphous material
Answer: (a).amorphous material
Question 55. First diffraction pattern considered should be when there is
  1.    preferred orientation
  2.    no preferred orientation
  3.    different orientations
  4.    changing orientations
 Discuss Question
Answer: Option B. -> no preferred orientation
Answer: (b).no preferred orientation
Question 56. Analysis of diffraction for a three dimensional plane is
  1.    simple
  2.    complex
  3.    impossible
  4.    faulty
 Discuss Question
Answer: Option B. -> complex
Answer: (b).complex
Question 57. Optical diffraction including optical microscopy, even by using ultraviolet radiation will give information only on
  1.    coarse features of fibers
  2.    fibre structure
  3.    structure spacing greater than 0.1 micrometer
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 58. A diffraction grating of normally spaced lines, illuminated by parallel lines will give set of fringes with maxima of
  1.    dark bands
  2.    light bands
  3.    bright bands
  4.    moderate bands
 Discuss Question
Answer: Option C. -> bright bands
Answer: (c).bright bands
Question 59. Photograph of glass shows
  1.    single halo
  2.    double halo
  3.    dull halo
  4.    diffused halo
 Discuss Question
Answer: Option A. -> single halo
Answer: (a).single halo
Question 60. Angles subtended by arcs helps in calculation of fibre's
  1.    spiral angle
  2.    perpendicular angle
  3.    diameter
  4.    thickness
 Discuss Question
Answer: Option A. -> spiral angle
Answer: (a).spiral angle

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