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MCQs

Total Questions : 62 | Page 4 of 7 pages
Question 31. Restriction on angles at which crystals lie has reduced the
  1.    diffusion
  2.    scattering
  3.    wavelength
  4.    X-ray diffraction pattern
 Discuss Question
Answer: Option D. -> X-ray diffraction pattern
Answer: (d).X-ray diffraction pattern
Question 32. Information received from scattered light when passed through photographic slide can be converted into a picture on screen using
  1.    lens
  2.    microscope
  3.    slide
  4.    information tray
 Discuss Question
Answer: Option A. -> lens
Answer: (a).lens
Question 33. Sharp spots shows characteristics of
  1.    non crystalline material
  2.    crystalline material
  3.    soft material
  4.    porous material
 Discuss Question
Answer: Option B. -> crystalline material
Answer: (b).crystalline material
Question 34. Atomic and molecular spacing of fibre lies between
  1.    0.1 to 0.5 nm
  2.    0.5 to 1 nm
  3.    0.6 to 0.8 nm
  4.    0.5 to 0.9 nm
 Discuss Question
Answer: Option A. -> 0.1 to 0.5 nm
Answer: (a).0.1 to 0.5 nm
Question 35. Optical microscopy becomes difficult for fibre diameters approaching
  1.    0.1 micrometer
  2.    1 micrometer
  3.    2 micrometer
  4.    2.1 micrometer
 Discuss Question
Answer: Option B. -> 1 micrometer
Answer: (b).1 micrometer
Question 36. From study of relative intensities of double pattern effects, estimate can be made of
  1.    degree of crystallinity
  2.    degree if crystallization
  3.    degree of scattering
  4.    degree of normality
 Discuss Question
Answer: Option A. -> degree of crystallinity
Answer: (a).degree of crystallinity
Question 37. Scattering of fine beam helps in obtaining information about internal structure of
  1.    non polymer films
  2.    polymer films
  3.    bonding
  4.    covalent bonding
 Discuss Question
Answer: Option B. -> polymer films
Answer: (b).polymer films
Question 38. When layer of atoms make required angle with X-ray beam
  1.    particular reflection occur
  2.    reflection occur
  3.    scattered reflection occur
  4.    haphazard reflection occur
 Discuss Question
Answer: Option A. -> particular reflection occur
Answer: (a).particular reflection occur
Question 39. In optical diffraction, when X-rays are scattered from regular, repetitive lattice, pattern obtained is
  1.    simple diffraction pattern
  2.    complex pattern
  3.    scattered pattern
  4.    linear pattern
 Discuss Question
Answer: Option A. -> simple diffraction pattern
Answer: (a).simple diffraction pattern
Question 40. X-ray diffraction is most important method used for study of
  1.    fine matter
  2.    rough matter
  3.    fibre structure
  4.    fibre length
 Discuss Question
Answer: Option C. -> fibre structure
Answer: (c).fibre structure

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