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MCQs

Total Questions : 148 | Page 6 of 15 pages
Question 51. In the spectrum, two main peaks at _________ and ________ are observed.
  1.    284.6, 532.5
  2.    248.6, 523.5
  3.    264.8, 535.2
  4.    246.8, 553.2
 Discuss Question
Answer: Option A. -> 284.6, 532.5
Answer: (a).284.6, 532.5
Question 52. 532.5 eV matches which of the following specific atom type?
  1.    Carbon
  2.    Oxygen
  3.    Nitrogen
  4.    Argon
 Discuss Question
Answer: Option B. -> Oxygen
Answer: (b).Oxygen
Question 53. Which of the following is the detection limit of ESCA?
  1.    0.1% monolayer
  2.    0.5% monolayer
  3.    1% monolayer
  4.    2% monolayer
 Discuss Question
Answer: Option A. -> 0.1% monolayer
Answer: (a).0.1% monolayer
Question 54. By studying which of the following can we determine if the surface corresponds to C-O or C=O chemical form?
  1.    Mass of the electron
  2.    Energy of the carbon peak
  3.    Binding energy
  4.    Charge of electron
 Discuss Question
Answer: Option B. -> Energy of the carbon peak
Answer: (b).Energy of the carbon peak
Question 55. 284.6 eV matches which of the following specific atom type?
  1.    Carbon
  2.    Oxygen
  3.    Nitrogen
  4.    Argon
 Discuss Question
Answer: Option A. -> Carbon
Answer: (a).Carbon
Question 56. Which of the following is the range of quadrupole mass spectrometer used in SIMS?
  1.    100-200 amu
  2.    200-300 amu
  3.    500-1000 amu
  4.    200-500 amu
 Discuss Question
Answer: Option C. -> 500-1000 amu
Answer: (c).500-1000 amu
Question 57. Electron spin resonance involves detecting the detection of a physical phenomenon of _________ of electromagnetic radiation.
  1.    Adsorption
  2.    Absorption
  3.    Radiation
  4.    Reflection
 Discuss Question
Answer: Option A. -> Adsorption
Answer: (a).Adsorption
Question 58. The value of the magnetic moment is known as which of the following?
  1.    Thompson magneton
  2.    Bohr magneton
  3.    Goldstein magneton
  4.    Rutherford magneton
 Discuss Question
Answer: Option B. -> Bohr magneton
Answer: (b).Bohr magneton
Question 59. Electron spin resonance is also known as which of the following?
  1.    Electron paramagnetic resonance
  2.    Electron diamagnetic resonance
  3.    Electron paramagnetic reoccurrence
  4.    Electron diamagnetic reoccurrence
 Discuss Question
Answer: Option A. -> Electron paramagnetic resonance
Answer: (a).Electron paramagnetic resonance
Question 60. Which of the following is the resolution of quadrupole mass spectrometer used in SIMS?
  1.    1 amu
  2.    2 amu
  3.    5 amu
  4.    3 amu
 Discuss Question
Answer: Option A. -> 1 amu
Answer: (a).1 amu

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