universe & solar system section 9 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
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universe & solar system section 13
Question : 12
Consider the following statements:
- Our solar system is located in the orion arm of the Milky way galaxy, about two-third of the way out from the centre.
- The solar system formed from an interstellar cloud of dust and gas or nebulla about 4.6 billion years ago.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (a)
Our solar system is located in the Orion arm of the milky way galaxy, about two-thirds of the way out from the center.
The sun is about 26,000 light-years from the center of the Milky Way Galaxy, which is about 80,000 to 120,000 light-years across (and less than 7,000 light-years thick). We are located on one of its spiral arms, out towards the edge.
It takes the sun (and our solar system) roughly 200-250 million years to orbit once around the Milky Way. In this orbit, we (and the rest of the Solar System) are traveling at a velocity of about 155 miles/sec (250 km/sec).
Question : 13
Match List-I with List-II and select the correct answer using the codes given below the lists:
List I | List II |
(Planets) | (Satellites) |
A. Earth | 1. Tritan |
B. Jupiter | 2. Titan |
C. Saturn | 3. Ganymede |
D. Neptune | 4. Moon |
a) 4 3 1 2
b) 3 4 2 1
c) 2 1 3 4
d) 1 2 3 4
Answer »Answer: (a)
- Moon is the satellite of Earth.
- Ganymede is the satellite of Jupiter.
- Tritan is the satellite of Neptune.
- Titan is the satellite of Saturn.
Question : 14
The Earth’s surface receives maximum energy at 12 noon but the maximum temperature never occurs at 12 noon. State which of the following reasons are correct?
- Transformation of solar energy into heat requires some time.
- The loss of energy through long-wave radiations from the Earth’s surface exceeds the energy received from the Sun at 4:00 p.m.
- Energy received by the Earth from solar radiations continues to exceed the energy lost by outgoing long-wave radiations from the Earth’s surface up to 4:00 p.m.
a) 1 and 3 only
b) 1, 2 and 3
c) 2 and 3 only
d) 1 and 2 only
Answer »Answer: (a)
Transformation of solar energy into heat requires some time, energy received by the earth from solar radiations continues to exceed the energy lost by outgoing long-wave radiations from the earth’s surface from 4.00p.m.
Question : 15 [SSC CGL 2016]
The outermost layer of the sun is called
a) Photosphere
b) Corona
c) Chromosphere
d) Lithosphere
Answer »Answer: (b)
The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere).
The temperature in the corona is 500,000 K (900,000 degrees F, 500,000 degrees C) or more, up to a few million K. The corona cannot be seen with the naked eye except during a total solar eclipse.
The corona does not have an upper limit.
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Universe, solar system and Astronomy Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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