universe & solar system section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
(a) Marconi
(b) Newton
(c) Maarten Schmidt
(d) Galileo
The correct answers to the above question in:
Answer: (d)
The Milky Way is the galaxy that contains our solar system. This name derives from its appearance as a dim “milky” glowing band arching across the night sky, in which the naked eye cannot distinguish individual stars.
Observational evidence for the Milky Way is made up of distant stars first came when Galileo pointed his telescope towards the Milky Way, observing a large number of faint stars.
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Which planet is called “Evening star”?
a) Venus
b) Saturn
c) Jupiter
d) Mars
Answer »Answer: (a)
Venus is called the Evening star. Because it trails the Sun in the sky and brightens into view immediately after the Sun sets and when the sky is dark enough. When Venus is at its brightest, it appears visible merely minutes after the Sun has set.
Question : 2
The planet Pluto has been abandoned from the group of the conventional planet and kept in the group of dwarf planet by a summit held in
a) Geneva
b) Prague
c) London
d) Paris
Answer »Answer: (b)
The planet Pluto has been declared a dwarf planet at the summit held in Prague. In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of a “dwarf planet.”
This means that from now on only the rocky worlds of the inner Solar System and the gas giants of the outer system will be designated as planets.
Question : 3
Consider the following statements
- The Earth receives the Sun’s energy at the infrared end of the spectrum.
- The Earth re-radiates the Sun’s heat as ultraviolet energy.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (b)
The sun radiates vast quantities of energy into space, across a wide spectrum of wavelengths. Most of the radiant energy from the sun is concentrated in the visible and near-visible parts of the spectrum.
The narrow band of visible light, between 400 and 700 nm, represents 43% of the total radiant energy emitted. Wavelengths shorter than the visible account for 7 to 8% of the total, but are extremely important because of their high energy per photon. The shorter the wavelength of light, the more energy it contains.
Question : 4
The average distance between the sun and earth is
a) 155 million km
b) 160 million km
c) 150 million km
d) 145 million km
Answer »Answer: (c)
Question : 5
On the surface of the Moon, two persons cannot listen each other as
a) They wear special types of space suits on the Moon
b) Sound travels very slow on the Moon
c) There is no atmosphere on the Moon
d) Their ears stops working at the Moon
Answer »Answer: (c)
Question : 6
What happens when one crosses 180° longitude from east to west ?
a) One neither gains nor looses a day but the time changes
b) There is no change in time or day
c) One looses a day
d) One gains a day
Answer »Answer: (d)
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
universe & solar system section 1
universe & solar system section 2
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universe & solar system section 13
Universe, solar system and Astronomy Shortcuts and Techniques with Examples
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