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MCQs

Total Questions : 62 | Page 5 of 7 pages
Question 41. Broadening along radius of pattern is characteristic of crystals that are
  1.    very small
  2.    very imperfect and small
  3.    very perfect and small
  4.    very big
 Discuss Question
Answer: Option B. -> very imperfect and small
Answer: (b).very imperfect and small
Question 42. X-ray diffraction gives information about
  1.    most important level of fibre structure
  2.    yarn count
  3.    number of yarns
  4.    fibre length
 Discuss Question
Answer: Option A. -> most important level of fibre structure
Answer: (a).most important level of fibre structure
Question 43. Narrow angle diffraction gives information about longer spacing of order of
  1.    10 nm
  2.    100 nm
  3.    10 - 100 nm
  4.    100 - 150 nm
 Discuss Question
Answer: Option C. -> 10 - 100 nm
Answer: (c).10 - 100 nm
Question 44. Fibre constitutes
  1.    single planes
  2.    single crystal
  3.    mass of small crystalline
  4.    3 crystals
 Discuss Question
Answer: Option C. -> mass of small crystalline
Answer: (c).mass of small crystalline
Question 45. Narrow angle diffraction gives information about the
  1.    finest inter-atomic spacing
  2.    longer spacing
  3.    moderate spacing
  4.    variable spacing
 Discuss Question
Answer: Option B. -> longer spacing
Answer: (b).longer spacing
Question 46. Computer software helps in
  1.    analyzing data
  2.    interpreting data
  3.    giving signals
  4.    both a and b
 Discuss Question
Answer: Option D. -> both a and b
Answer: (d).both a and b
Question 47. Photograph of asbestos shows
  1.    dull spots
  2.    sharp spots
  3.    random spots
  4.    4 spots
 Discuss Question
Answer: Option B. -> sharp spots
Answer: (b).sharp spots
Question 48. When light is passed through a photgraphic slide, it is scattered in
  1.    one direction
  2.    vertical direction
  3.    many directions
  4.    horizontal plane
 Discuss Question
Answer: Option C. -> many directions
Answer: (c).many directions
Question 49. Increase in distance from middle of arc decreases arc's
  1.    size
  2.    density
  3.    intensity
  4.    angle
 Discuss Question
Answer: Option C. -> intensity
Answer: (c).intensity
Question 50. If light is diffracted through a fibre that is gold plated, pattern formed will be
  1.    simple
  2.    complex
  3.    one line
  4.    scattered
 Discuss Question
Answer: Option A. -> simple
Answer: (a).simple

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