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MCQs

Total Questions : 62 | Page 2 of 7 pages
Question 11. A faint ring formed in delustred viscose is due to reflection from
  1.    titanium oxide
  2.    titanium dioxide
  3.    titanium
  4.    oxide
 Discuss Question
Answer: Option B. -> titanium dioxide
Answer: (b).titanium dioxide
Question 12. After annealing of polyester fibre, spots become
  1.    dull
  2.    bright
  3.    sharp
  4.    faint
 Discuss Question
Answer: Option C. -> sharp
Answer: (c).sharp
Question 13. Understanding and making use of information received from light passing through slide is called as
  1.    diffusion
  2.    diffraction
  3.    deformation
  4.    value formation
 Discuss Question
Answer: Option B. -> diffraction
Answer: (b).diffraction
Question 14. Using polarized light helps in
  1.    changing pattern
  2.    increase available information
  3.    increase available information about structure
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 15. Each layer of atom shows four spots after diffraction that are
  1.    same
  2.    of same setting
  3.    of different setting
  4.    haphazard
 Discuss Question
Answer: Option C. -> of different setting
Answer: (c).of different setting
Question 16. If there is no preferred orientation of fibre axis, layers can occur at a series of positions distributed around fibre
  1.    center
  2.    axis
  3.    length
  4.    radius
 Discuss Question
Answer: Option B. -> axis
Answer: (b).axis
Question 17. Reflections giving patterns in asbestos and glass occur at angles upto
  1.    5 degrees
  2.    7 degrees
  3.    10 degrees
  4.    15 degrees
 Discuss Question
Answer: Option C. -> 10 degrees
Answer: (c).10 degrees
Question 18. Increased power of synchrotron radiation reduces
  1.    exposure time
  2.    crossing time
  3.    scattering time
  4.    light scattering
 Discuss Question
Answer: Option A. -> exposure time
Answer: (a).exposure time
Question 19. Details of diffraction pattern in three dimensional plane is influenced by whole form of
  1.    ion
  2.    atoms
  3.    atomic arrangement
  4.    molecular arrangement
 Discuss Question
Answer: Option C. -> atomic arrangement
Answer: (c).atomic arrangement
Question 20. Complicated patterns in diffraction helps in retrieving information about
  1.    shape of scattered particles
  2.    differences in spacing in different directions
  3.    differences in spacing in same directions
  4.    both a and b
 Discuss Question
Answer: Option D. -> both a and b
Answer: (d).both a and b

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