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MCQs

Total Questions : 175 | Page 9 of 18 pages
Question 81. What is apparent solar day?
  1.    Interval between sunrise and sunset of a normal day
  2.    Interval between two successive returns of sun on equator
  3.    Interval between two successive returns of sun on local meridian
  4.    Imaginary solar day
 Discuss Question
Answer: Option C. -> Interval between two successive returns of sun on local meridian
Answer: (c).Interval between two successive returns of sun on local meridian
Question 82. The inclination of earth’s axis also contributes towards variation in solar time.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 83. Solar time is 21 seconds less than clock time in September and 29 seconds more than clock time in December.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 84. The hour angle of the mean sun plus 12 hours is _______
  1.    mean solar time
  2.    angled solar time
  3.    offset solar time
  4.    apparent solar time
 Discuss Question
Answer: Option A. -> mean solar time
Answer: (a).mean solar time
Question 85. Which of the following describes the elliptical nature of earth’s orbit?
  1.    Apparent solar time
  2.    Sundial
  3.    Maxwell’s laws
  4.    Kepler’s laws
 Discuss Question
Answer: Option D. -> Kepler’s laws
Answer: (d).Kepler’s laws
Question 86. What is angle subtended by sun on earth in degrees?
  1.    About 0.5 degrees
  2.    About 1 degree
  3.    About 35 degrees
  4.    About 5 degrees
 Discuss Question
Answer: Option A. -> About 0.5 degrees
Answer: (a).About 0.5 degrees
Question 87. When revolving around the sun, the earth moves in an elliptical cycle _______
  1.    on the sun’s plane
  2.    above the sun’s plane
  3.    above and below the sun’s plane
  4.    below the sun’s plane
 Discuss Question
Answer: Option C. -> above and below the sun’s plane
Answer: (c).above and below the sun’s plane
Question 88. Which month is the earth closes to the sun?
  1.    February
  2.    March
  3.    December
  4.    January
 Discuss Question
Answer: Option D. -> January
Answer: (d).January
Question 89. Why is angle subtended by sun on earth’s surface so small?
  1.    Because sun is smaller than earth
  2.    Because of the large distance between earth and sun
  3.    Because of the small distance between earth and sun
  4.    Because sun is about the same size as that of earth
 Discuss Question
Answer: Option B. -> Because of the large distance between earth and sun
Answer: (b).Because of the large distance between earth and sun
Question 90. What is aphelion?
  1.    The point where earth is farthest from the sun
  2.    The point where earth is nearest from the sun
  3.    The point where earth is on the perpendicular bisector of sun’s plane
  4.    The point when earth subtends an angle of 30 degrees with sun’s plane
 Discuss Question
Answer: Option A. -> The point where earth is farthest from the sun
Answer: (a).The point where earth is farthest from the sun

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