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MCQs

Total Questions : 62 | Page 1 of 7 pages
Question 1. In delustred viscose rayon, outside main pattern there is a
  1.    3 dimensional ring
  2.    clear ring
  3.    faint ring
  4.    3 point ring
 Discuss Question
Answer: Option C. -> faint ring
Answer: (c).faint ring
Question 2. If light is diffracted through fibre and scattered internally, he pattern formed will be
  1.    scattered
  2.    one line
  3.    simple
  4.    complex
 Discuss Question
Answer: Option D. -> complex
Answer: (d).complex
Question 3. Studies regarding narrow angle photographs gives information about
  1.    size
  2.    shape
  3.    arrangement of crystallites
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 4. X-ray diffraction can also be used for
  1.    identification
  2.    separation
  3.    combination
  4.    studying dimensions
 Discuss Question
Answer: Option A. -> identification
Answer: (a).identification
Question 5. Patterns are always different for crystals having different
  1.    structures
  2.    sizes
  3.    shapes
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 6. Material that shows double pattern with spacing characteristics of bother natural and regenerated cellulose is
  1.    mercerized cotton
  2.    simple cotton
  3.    raw cotton
  4.    processed cotton
 Discuss Question
Answer: Option A. -> mercerized cotton
Answer: (a).mercerized cotton
Question 7. If position of large number of spots is known, then accurate determination is possible for
  1.    structure
  2.    spot size
  3.    quadrants
  4.    diffused angles
 Discuss Question
Answer: Option A. -> structure
Answer: (a).structure
Question 8. Very useful information can be obtained from reflections occurring at
  1.    large angles
  2.    small angles
  3.    moderate angles
  4.    reflecting angles
 Discuss Question
Answer: Option B. -> small angles
Answer: (b).small angles
Question 9. Diffraction patterns obtained from objects with regular repetitive structure are
  1.    useful
  2.    useful and simple
  3.    useful and complex
  4.    complex
 Discuss Question
Answer: Option B. -> useful and simple
Answer: (b).useful and simple
Question 10. Particular reflection occurs when layer of atoms make required angle with X-ray beam like orientation of crystals around
  1.    sphere
  2.    cone
  3.    cylinder
  4.    round
 Discuss Question
Answer: Option B. -> cone
Answer: (b).cone

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