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MCQs

Total Questions : 687 | Page 64 of 69 pages
Question 631. A reduction of nitrogen nutrient in plants_______________?
  1.    Affects leaf colour
  2.    Reduces pigment concentration
  3.    Increase the visible reflectivity
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 632. The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?
  1.    Reflectance
  2.    Reflectance factor
  3.    Albedo
  4.    None of these
 Discuss Question
Answer: Option C. -> Albedo
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 633. Which one of the following statement is incorrect regarding the electromagnetic radiation ?
  1.    These are produced by the motion of electric charge
  2.    The oscillation of charged particles sets up changing electric fields
  3.    The changing electric fields induce the changing magnetic fields in the surrounding medium
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 634. Which one of the following helps to identify the objects on the earth surface ?
  1.    Atmospheric window
  2.    Signature
  3.    Radiometric error
  4.    None of these
 Discuss Question
Answer: Option B. -> Signature
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 635. For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?
  1.    Circular orbit
  2.    Sun-synchronous orbit
  3.    Near polar orbit
  4.    None of these
 Discuss Question
Answer: Option B. -> Sun-synchronous orbit
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 636. Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?
  1.    Six ground stations
  2.    Five ground stations
  3.    Four ground stations
  4.    Three ground stations
 Discuss Question
Answer: Option B. -> Five ground stations
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 637. The changes in the reflectivity/emissivity with time, is called ?
  1.    Spectral variation
  2.    Spatial variation
  3.    Temporal variation
  4.    None of these
 Discuss Question
Answer: Option C. -> Temporal variation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 638. The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?
  1.    Visible (0.4 –
  2.    Near-IR (0.7 –
  3.    Short wave-IR (1.3 –
  4.    None of these
 Discuss Question
Answer: Option C. -> Short wave-IR (1.3 –
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 639. Which one of the following quantities forms the basis of radiometry ?
  1.    Radiant energy (Q)
  2.    Radiant flux (Φe )
  3.    Radiant intensity (I)
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 640. Electromagnetic spectrum contains________________?
  1.    Gamma rays (wave length < 10-10 m)
  2.    Ultraviolet rays (wave length < 10-6 m)
  3.    Infrared rays (wave length < 10 -4 m)
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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