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MCQs

Total Questions : 175 | Page 15 of 18 pages
Question 141. Which of the following best describes the motion of sun from autumnal equinox to winter solstice?
  1.    Earth is above the plane of the sun
  2.    Earth is below the plane of the sun
  3.    Earth’s center lies on the plane of the sun
  4.    Earth first escalates above the plane and then transcends below the plane of sun
 Discuss Question
Answer: Option A. -> Earth is above the plane of the sun
Answer: (a).Earth is above the plane of the sun
Question 142. What is sun’s declination angle during earth’s motion from autumnal equinox to winter solstice?
  1.    Greater than 90 degrees
  2.    Less than 0 degrees
  3.    Greater than 0 degrees
  4.    Between 60 and 90 degrees
 Discuss Question
Answer: Option B. -> Less than 0 degrees
Answer: (b).Less than 0 degrees
Question 143. What is the sun’s declination during earth’s motion from vernal equinox to summer solstice?
  1.    Greater than 50 degrees
  2.    Between 0 and 30 degrees
  3.    Greater than 0 degrees
  4.    Less than 0 degrees
 Discuss Question
Answer: Option D. -> Less than 0 degrees
Answer: (d).Less than 0 degrees
Question 144. How is latitude of a location on earth defined?
  1.    Angle between line joining the location to earth’s center and earth’s equatorial plane
  2.    Angle between line joining the location to earth’s center and the meridian plane
  3.    Angle subtended by sun on earth
  4.    Angle between sun’s rays extended to earth’s center and earth’s equatorial plane
 Discuss Question
Answer: Option A. -> Angle between line joining the location to earth’s center and earth’s equatorial plane
Answer: (a).Angle between line joining the location to earth’s center and earth’s equatorial plane
Question 145. During which of the following periods is the earth below the plane of sun?
  1.    Vernal equinox to winter solstice
  2.    Winter solstice to vernal equinox
  3.    Vernal equinox to summer solstice
  4.    Summer solstice to winter solstice
 Discuss Question
Answer: Option C. -> Vernal equinox to summer solstice
Answer: (c).Vernal equinox to summer solstice
Question 146. Solar day is ______ sidereal day.
  1.    4 min shorter than
  2.    4 min longer than
  3.    10 min shorter than
  4.    10 min longer than
 Discuss Question
Answer: Option B. -> 4 min longer than
Answer: (b).4 min longer than
Question 147. Which of the following solar time duration is not constant throughout the year?
  1.    Mean solar day
  2.    Sidereal day
  3.    Local true solar time
  4.    Apparent solar day
 Discuss Question
Answer: Option D. -> Apparent solar day
Answer: (d).Apparent solar day
Question 148. One sidereal day is ______ solar hours and ______ solar minutes long.
  1.    26, 57
  2.    24, 59
  3.    23, 56
  4.    24, 60
 Discuss Question
Answer: Option C. -> 23, 56
Answer: (c).23, 56
Question 149. What is local true solar time?
  1.    Equivalent of earth’s solar time on other planets
  2.    Solar time on every location of earth
  3.    Solar time on the Greenwich meridian
  4.    Solar time on the equator
 Discuss Question
Answer: Option A. -> Equivalent of earth’s solar time on other planets
Answer: (a).Equivalent of earth’s solar time on other planets
Question 150. The length of mean solar day is slowly increasing.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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