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MCQs

Total Questions : 68 | Page 1 of 7 pages
Question 1. Perfection of crystal is directly proportional to
  1.    broadband width
  2.    length
  3.    density
  4.    frequency
 Discuss Question
Answer: Option A. -> broadband width
Answer: (a).broadband width
Question 2. Value of field in which atom is placed to resonate is calculated to be
  1.    2.0 tesla oscillating at 60 MHz
  2.    1.5 tesla oscillating at 60 MHz
  3.    2.5 tesla oscillating at 60 MHz
  4.    1.0 tesla oscillating at 60 MHz
 Discuss Question
Answer: Option B. -> 1.5 tesla oscillating at 60 MHz
Answer: (b).1.5 tesla oscillating at 60 MHz
Question 3. Broadband width depends on how firmly held is the
  1.    atom
  2.    resonating atom
  3.    molecule
  4.    resonating molecule
 Discuss Question
Answer: Option B. -> resonating atom
Answer: (b).resonating atom
Question 4. Very useful detail can be obtained from study of
  1.    minerals
  2.    replicas
  3.    stones
  4.    flat surfaces
 Discuss Question
Answer: Option B. -> replicas
Answer: (b).replicas
Question 5. Obtaining contrast in electron microscopy is
  1.    easy
  2.    difficult
  3.    impossible
  4.    time consuming
 Discuss Question
Answer: Option B. -> difficult
Answer: (b).difficult
Question 6. Quantitative determination of twist angles in wool is done by
  1.    tomography
  2.    electrography
  3.    spectroscopy
  4.    microscopy
 Discuss Question
Answer: Option A. -> tomography
Answer: (a).tomography
Question 7. Tapping mode of atomic force microscopy can be used to show differences in
  1.    modulus
  2.    elastic modulus
  3.    fibre modulus
  4.    line modulus
 Discuss Question
Answer: Option B. -> elastic modulus
Answer: (b).elastic modulus
Question 8. Scanning has been applied to the
  1.    computerized mode
  2.    electronic mode
  3.    transmission mode
  4.    receiving mode
 Discuss Question
Answer: Option C. -> transmission mode
Answer: (c).transmission mode
Question 9. Peeling off fibre to expose new external surface for replication gives
  1.    replicate details
  2.    internal details
  3.    minimal details
  4.    angle details
 Discuss Question
Answer: Option B. -> internal details
Answer: (b).internal details
Question 10. Electrons can be focused by
  1.    microscopes
  2.    bending their paths
  3.    rotating
  4.    reflecting
 Discuss Question
Answer: Option B. -> bending their paths
Answer: (b).bending their paths

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