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MCQs

Total Questions : 71 | Page 5 of 8 pages
Question 41. Which among the following is having more wavelengths?
  1.    X-rays
  2.    Cosmic waves
  3.    Radio waves
  4.    Gamma rays
 Discuss Question
Answer: Option C. -> Radio waves
Answer: (c).Radio waves
Question 42. Radio waves are having the longest wavelength among all the electromagnetic waves.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 43. Optical mechanical scanner is used in which type of electromagnetic waves?
  1.    X-rays
  2.    Cosmic waves
  3.    Radio waves
  4.    Thermal IR
 Discuss Question
Answer: Option D. -> Thermal IR
Answer: (d).Thermal IR
Question 44. Which among the following wave is not employed in case of remote sensing?
  1.    X-ray
  2.    Visible ray
  3.    Thermal IR
  4.    Radio waves
 Discuss Question
Answer: Option A. -> X-ray
Answer: (a).X-ray
Question 45. Gamma rays are having a wavelength of _________
  1.    Zero
  2.    Greater than 0.03nm
  3.    Less than 0.03nm
  4.    Equal to 0.03nm
 Discuss Question
Answer: Option C. -> Less than 0.03nm
Answer: (c).Less than 0.03nm
Question 46. Which of the following doesn’t indicate a stage in remote sensing?
  1.    Reflectance of energy
  2.    Transmission of energy
  3.    Energy source
  4.    Absorption of energy
 Discuss Question
Answer: Option D. -> Absorption of energy
Answer: (d).Absorption of energy
Question 47. Among the following, which indicates the correct set of classification of data?
  1.    Analog, digital
  2.    Digital, binary
  3.    Binary, analog
  4.    Vector, raster
 Discuss Question
Answer: Option A. -> Analog, digital
Answer: (a).Analog, digital
Question 48. Which of the following indicates the functioning of a sensor?
  1.    Transmits energy
  2.    Absorbs wave length
  3.    Sensitive to wave length
  4.    Reflects energy
 Discuss Question
Answer: Option C. -> Sensitive to wave length
Answer: (c).Sensitive to wave length
Question 49. The electromagnetic wave travelling from source to the object is having same wave length.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 50. Which type of remote sensing uses its own source of electromagnetic energy?
  1.    Passive
  2.    Active
  3.    Satellite
  4.    Orbital
 Discuss Question
Answer: Option B. -> Active
Answer: (b).Active

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