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MCQs

Total Questions : 148 | Page 1 of 15 pages
Question 1. Surface is usually more than _____ atomic layer deep and is a region of ________ atomic potentials.
  1.    One, uniform
  2.    One, non-uniform
  3.    Two, uniform
  4.    Two, non-uniform
 Discuss Question
Answer: Option B. -> One, non-uniform
Answer: (b).One, non-uniform
Question 2. Surface analysis cannot provide any chemical information directly.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 3. Which of the following is a type of electron spectroscopy?
  1.    MIKES
  2.    Auger spectroscopy
  3.    Secondary ion mass spectroscopy
  4.    Ion scattering spectroscopy
 Discuss Question
Answer: Option B. -> Auger spectroscopy
Answer: (b).Auger spectroscopy
Question 4. Surface analysis can provide information that classic methods like microscopic cannot.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 5. In surface spectrometer, which of the following beam is analysed?
  1.    Reflected beam
  2.    Absorbed beam
  3.    Refracted beam
  4.    Incident beam
 Discuss Question
Answer: Option A. -> Reflected beam
Answer: (a).Reflected beam
Question 6. Magnetic deflection energy analysers are effective than electrostatic types.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 7. Double-pass cylindrical mirror energy analyser has how many mirrors?
  1.    One
  2.    Two
  3.    Three
  4.    Four
 Discuss Question
Answer: Option B. -> Two
Answer: (b).Two
Question 8. In spherical sector analyser, __________ is detected and plotted as a function of energy.
  1.    Mass
  2.    Charge
  3.    Number of electrons striking the detector
  4.    Mass to charge ratio
 Discuss Question
Answer: Option C. -> Number of electrons striking the detector
Answer: (c).Number of electrons striking the detector
Question 9. Which of the following is the most commonly used detector in ESCA and AES?
  1.    Electron multiplier
  2.    Dynodes
  3.    Photovoltaic cell
  4.    Photomultiplier
 Discuss Question
Answer: Option A. -> Electron multiplier
Answer: (a).Electron multiplier
Question 10. Electron detector has a _______ doped glass tube with a secondary semiconducting coating.
  1.    Quartz
  2.    Silica
  3.    Lead
  4.    Cesium
 Discuss Question
Answer: Option C. -> Lead
Answer: (c).Lead

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