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MCQs

Total Questions : 68 | Page 7 of 7 pages
Question 61. Deflection of cantilever in atomic force microscopy can be seen as
  1.    a line showing the surface profile
  2.    scanning over an area
  3.    conversion of response to a grey scale
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 62. Electrons can be focused by bending their paths in
  1.    electric field
  2.    magnetic field
  3.    both a and b
  4.    electromagnetic field
 Discuss Question
Answer: Option C. -> both a and b
Answer: (c).both a and b
Question 63. Surface detail can be studied using
  1.    scanning electron microscope
  2.    electron microscope
  3.    scanning proton microscope
  4.    proton microscope
 Discuss Question
Answer: Option A. -> scanning electron microscope
Answer: (a).scanning electron microscope
Question 64. Dark field electron microscopy is used to show presence of crystalline regions appearing
  1.    dark against light background
  2.    light against dark background
  3.    dark
  4.    light
 Discuss Question
Answer: Option B. -> light against dark background
Answer: (b).light against dark background
Question 65. Fibers can also be examined using
  1.    microscopy
  2.    force microscopy
  3.    atomic force microscopy
  4.    atomic microscopy
 Discuss Question
Answer: Option C. -> atomic force microscopy
Answer: (c).atomic force microscopy
Question 66. Example/s of use of atomic force microscopy by Maxwell is/are
  1.    study of morphology
  2.    study of nano-mechanical properties
  3.    effect of moisture absorption in cotton
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 67. Nature of Tomograpgic reconstruction produced by tilting position of specimen is
  1.    one dimensional
  2.    two dimensional
  3.    three dimensional
  4.    four dimensional
 Discuss Question
Answer: Option C. -> three dimensional
Answer: (c).three dimensional
Question 68. Advances done in electron microscopy include developments in
  1.    electronics
  2.    digital processing
  3.    information technology
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above

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