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Solar System Multiple Choice Questions and Answers | GkSeries

Questions
26 The speed of rotation of the earth is the highest
A along the Equator
B at the North-Pole
C along the Tropic of Cancer
D along the Arctic Circle

Answer: Option [A]

The speed of rotation of the earth is the highest along the Equator. As every part of earth takes a frill round with in 24 hours, the equator being the largest circle of latitude 0o, the speed is greater at the equator due to crossing the maximum distance per hour then at the Arctic circle.

27 Which of the following planets of the solar system has the longest day ?
A Mercury
B Jupiter
C Venus
D Earth

Answer: Option [C]

The correct answer is Venus. Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days. Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.

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28 Comets revolve around :
A Sun
B Earth
C Venus
D No single heavenly body

Answer: Option [A]

Comets revolve around Sun. Comets go around the Sun in a highly elliptical orbit. They can spend hundreds and thousands of years out in the depths of the solar system before they return to Sun at their perihelion. Like all orbiting bodies, comets follow Kepler's Laws - the closer they are to the Sun, the faster they move.

29 The hottest planet is
A Mercury
B Venus
C Jupiter
D Saturn

Answer: Option [B]

The hottest planet is Venus. Venus is the hottest planet in the solar system, the second planet from the sun. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

30 In order of their distances from the Sun, which of the following planets lie between Mars and Uranus ?
A Earth and Jupiter
B Jupiter and Saturn
C Saturn and Earth
D Saturn and Neptune

Answer: Option [B]

The correct answer is Jupiter and Saturn. In order of their distance from the sun. They are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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