universe & solar system section 6 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) the phenomenon when the earth’s crust gains weight due to mountain building or glaciation, it deforms and sinks deeper into the mantle.
(b) All are correct
(c) due to which crust floats on top of the mantle like ice cubes in water.
(d) the property of the continental and oceanic crust, that they have the ability to rise and sink.
The correct answers to the above question in:
Answer: (b)
Discuss Form
Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
The Earth is an oblate spheroid and not a perfect sphere. This is because
- The Earth has a rotational motion and the rotational speed increases as one goes from the poles towards the equator.
- The equator experiences greater gravitational pull from the sun.
- The intensity of sunlight received at the equator is greater than that at the poles.
a) Only 3
b) All of these
c) 1 and 2
d) Only 1
Answer »Answer: (d)
The shape of the Earth is very close to that of an oblate spheroid, a sphere flattened along the axis from pole to pole such that there is a bulge around the equator.
This bulge results from the rotation of the Earth and causes the diameter at the equator to be 43 km large than the pole-to-pole diameter.
Question : 2
The tail of comet is directed away from the Sun, because
a) The radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
b) The tail of the Comet always exists in the same orientation
c) As the Comet rotates, the lighter mass of the Comet is attracted by some stars situated in the direction of its tail
d) As the Comet rotate around the Sun, the lighter mass of Comet is pushed away due to centrifugal force alone
Answer »Answer: (a)
Question : 3
Which is true about Planets?
a) Planets do not shine though they are luminous body
b) Planets are luminous body and also shine
c) Planets shine though they are non-luminous bodies
d) Planets are non-luminous bodies and don’t shine
Answer »Answer: (c)
Question : 4
The light from the Sun reaches the Earth in about—
a) 10 seconds
b) 10 minutes
c) 8 minutes
d) 8 seconds
Answer »Answer: (c)
Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth.
On average, it takes energy between 10,000 and 170,000 years to leave the sun’s interior and then be emitted from the surface as light. Sunlight, in the broad sense, is the total frequency spectrum of the electromagnetic radiation given off by the Sun, particularly infrared, visible, and ultraviolet light.
On Earth, sunlight is filtered through the Earth’s atmosphere and is obvious as daylight when the Sun is above the horizon.
Question : 5
The largest planet in our solar system is
a) Saturn
b) Mercury
c) Jupiter
d) Mars
Answer »Answer: (c)
Jupiter is the fifth planet from the Sun and is the largest planet in the solar system. If Jupiter were hollow, more than one thousand Earths could fit inside. It also contains two and a half times the mass of all the other planets combined.
It has a mass of 1.9 × 1027 kg and is 142,800 kilometers (88,736 miles) across the equator.
Question : 6
A team of scientists at Brookhaven National Laboratory including those from India created the heaviest antimatter (anti-helium nucleus). What is/are the implication/ implications of the creation of anti-matter?
- It will make mineral prospecting and oil exploration easier and cheaper.
- It will help probe the possibility of the existence of stars and galaxies made of anti-matter.
- It will help understand the evolution of the universe.
a) 3 only
b) 1, 2 and 3
c) 2 and 3
d) 1 only
Answer »Answer: (c)
It will help probe the possibility of the existence of stars and galaxies made of anti-mater.
It will also help in understanding the evolution of the universe.
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 4
universe & solar system section 5
universe & solar system section 6
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universe & solar system section 10
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universe & solar system section 12
universe & solar system section 13
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