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MCQs

Total Questions : 70 | Page 5 of 7 pages
Question 41. Which of the following represent a spectrum of frequency emission?
  1.    Absorption spectra
  2.    Emission spectra
  3.    EM spectra
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Emission spectra
Answer: (b).Emission spectra
Question 42. Spectrography doesn’t compute the energy of frequency spectrum.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 43. All bodies behave as source of _______________
  1.    Electromagnetic radiation
  2.    IR radiation
  3.    Ultra violet radiation
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Electromagnetic radiation
Answer: (a).Electromagnetic radiation
Question 44. Which of the following source is used for exciting bodies electrically?
  1.    DC arc
  2.    AC arc
  3.    Spark
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 45. Which of the following is more used core in spectrometer?
  1.    Graphite
  2.    Carbon
  3.    Aluminium
  4.    Fullerine
 Discuss Question
Answer: Option A. -> Graphite
Answer: (a).Graphite
Question 46. Which of the following represents emission spectra?
  1.    Continuous spectra
  2.    Band spectra
  3.    Line spectra
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 47. Every spectrograph requires dispersion.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 48. Dispersion of radiation is carried out by _____________
  1.    Prism
  2.    Grating
  3.    Both prism and grating
  4.    Diamond
 Discuss Question
Answer: Option C. -> Both prism and grating
Answer: (c).Both prism and grating
Question 49. Which of the following represents the fingerprint region?
  1.    Less than 7um
  2.    Between 7um to 15um
  3.    Greater than 15um
  4.    Greater than 100um
 Discuss Question
Answer: Option B. -> Between 7um to 15um
Answer: (b).Between 7um to 15um
Question 50. IR absorption pattern in absorption spectrography is known as___________
  1.    Finger print
  2.    Signature
  3.    Absorption code
  4.    Graph
 Discuss Question
Answer: Option A. -> Finger print
Answer: (a).Finger print

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