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MCQs

Total Questions : 292 | Page 24 of 30 pages
Question 231. He discovered that Jupiter has moons.
  1.    Tycho Brahe
  2.    Aristotle
  3.    Kepler
  4.    Galileo
 Discuss Question
Answer: Option D. -> Galileo
:
D
Question 232. The controversial book of this famous person, published in 1543 (the year of his death), suggested that Earth and other planets orbit the Sun.
  1.    Tycho Brahe
  2.    Copernicus
  3.    Kepler
  4.    Galileo
 Discuss Question
Answer: Option B. -> Copernicus
:
B
Question 233. One of the "nails in the coffin" for the Earth-centered universe was
  1.    the retrograde motion of the planets.
  2.    the phases of the Moon.
  3.    eclipses of the Sun.
  4.    Galileo's observation of stars in the Milky Way.
 Discuss Question
Answer: Option B. -> the phases of the Moon.
:
B
Question 234. From Kepler's third law, p2=a3, an asteroid with an orbital period of 8 years lies at an average distance from the Sun equal to
  1.    2 astronomical units.
  2.    4 astronomical units.
  3.    8 astronomical units.
  4.    16 astronomical units.
 Discuss Question
Answer: Option B. -> 4 astronomical units.
:
B
Question 235. Why did Ptolemy have the planets orbiting Earth on "circles upon circles" in his model of the universe?
  1.    to explain why more distant planets take longer to make a circuit through the constellations of the zodiac
  2.    to explain the fact that planets sometimes appear to move westward, rather than eastward, relative to the stars in our sky
  3.    to explain why the Greeks were unable to detect stellar parallax
  4.    To explain why Venus goes through phases as seen from Earth
 Discuss Question
Answer: Option B. -> to explain the fact that planets sometimes appear to move westward, rather than eastward, relative to the stars in our sky
:
B
Question 236. When we see Venus in its full phase, what phase would Earth be in as seen by a hypothetical Venetian?
  1.    full
  2.    new
  3.    first quarter
  4.    third quarter
 Discuss Question
Answer: Option A. -> full
:
A
Question 237. Which of the following latitudes forms a great circle?
  1.    0°
  2.    23 f
  3.    66
  4.    90°
 Discuss Question
Answer: Option A. -> 0°
:
A
Ans. (a)
Question 238. Countries of the South Hemisphere have summer in the month of-
  1.    December
  2.    March
  3.    June
  4.    October
 Discuss Question
Answer: Option A. -> December
:
A
Ans. (a)
Question 239. The longest circle which can be drawn on the earth's surface passes through-
  1.    Equator
  2.    Tropic of cancer
  3.    Arctic circle
  4.    Tropic of Capricorn
 Discuss Question
Answer: Option A. -> Equator
:
A
Ans. (a)
Question 240. How many lines of latitudes are there on the globe?
  1.    90
  2.    180
  3.    181
  4.    Infinite
 Discuss Question
Answer: Option D. -> Infinite
:
D
Ans. (d)

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