UPSC Exam > UPSC Questions > Atmosphere is held around the earth due toa)C...
Start Learning for Free
Atmosphere is held around the earth due to
- a)Continuous magnetic activity in the Earth’s core
- b)Corona discharge from the Sun that reaches the earth consistently
- c)Gravitational pull of the earth
- d)Presence of clouds in the troposphere and other layers above it
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Atmosphere is held around the earth due toa)Continuous magnetic activi...
Justification: Celestial bodies like Moon don’t have an atmosphere because
their gravity isn’t enough to hold the atmosphere together with the body.
Since gravity is low, and gases are lighter, they escape from the celestial
body.
their gravity isn’t enough to hold the atmosphere together with the body.
Since gravity is low, and gases are lighter, they escape from the celestial
body.
This is not the case with earth, where gravitation is high enough to hold the
gases together. Escape velocity of gases on earth is much higher than that
on some other celestial bodies like Moon.
Learning: Atmosphere also protects us from the harmful rays and
scorching heat of the sun. It consists of a number of gases, dust and water
vapour.
The changes in the atmosphere produce changes in the weather and
climate.
Q Source: Page 3: Geography NCERT 7th: Our Environment
gases together. Escape velocity of gases on earth is much higher than that
on some other celestial bodies like Moon.
Learning: Atmosphere also protects us from the harmful rays and
scorching heat of the sun. It consists of a number of gases, dust and water
vapour.
The changes in the atmosphere produce changes in the weather and
climate.
Q Source: Page 3: Geography NCERT 7th: Our Environment
Most Upvoted Answer
Atmosphere is held around the earth due toa)Continuous magnetic activi...
Gravitational pull of the earth
The atmosphere is held around the Earth primarily due to the gravitational pull of the Earth. The force of gravity between two objects depends on their mass and distance. The Earth has a large mass, which creates a strong gravitational pull that keeps the atmosphere in place.
Gravity and the atmosphere
Gravity is the force that attracts objects toward the center of the Earth. It is responsible for holding everything on the surface of the Earth, including the atmosphere. The Earth's gravitational pull acts on the gases in the atmosphere and prevents them from escaping into space.
The Earth's mass and gravity
The Earth has a large mass, which means it has a strong gravitational pull. This gravitational pull is what keeps the atmosphere close to the Earth's surface. The mass of the Earth creates a gravitational field that extends into space. The atmosphere is within this gravitational field and is held in place by the Earth's gravity.
Escaping the Earth's gravity
In order for an object to escape the Earth's gravity and enter space, it needs to reach a certain velocity called the escape velocity. The escape velocity depends on the mass of the planet and its radius. For Earth, the escape velocity is about 11.2 kilometers per second. This means that any gas molecules in the atmosphere would need to reach this velocity in order to escape into space. The majority of gas molecules in the atmosphere do not have enough energy to reach this velocity and therefore remain trapped by the Earth's gravity.
Other factors
While the gravitational pull of the Earth is the primary force that holds the atmosphere in place, there are other factors that can affect the atmosphere. For example, solar wind and coronal mass ejections from the Sun can interact with the Earth's magnetic field and cause some atmospheric particles to escape into space. However, these effects are relatively small compared to the overall gravitational pull of the Earth.
Overall, the atmosphere is held around the Earth primarily due to the gravitational pull of the Earth. The Earth's mass creates a strong gravitational field that prevents the majority of gas molecules in the atmosphere from escaping into space. This gravitational pull is essential for maintaining the atmosphere and supporting life on Earth.
The atmosphere is held around the Earth primarily due to the gravitational pull of the Earth. The force of gravity between two objects depends on their mass and distance. The Earth has a large mass, which creates a strong gravitational pull that keeps the atmosphere in place.
Gravity and the atmosphere
Gravity is the force that attracts objects toward the center of the Earth. It is responsible for holding everything on the surface of the Earth, including the atmosphere. The Earth's gravitational pull acts on the gases in the atmosphere and prevents them from escaping into space.
The Earth's mass and gravity
The Earth has a large mass, which means it has a strong gravitational pull. This gravitational pull is what keeps the atmosphere close to the Earth's surface. The mass of the Earth creates a gravitational field that extends into space. The atmosphere is within this gravitational field and is held in place by the Earth's gravity.
Escaping the Earth's gravity
In order for an object to escape the Earth's gravity and enter space, it needs to reach a certain velocity called the escape velocity. The escape velocity depends on the mass of the planet and its radius. For Earth, the escape velocity is about 11.2 kilometers per second. This means that any gas molecules in the atmosphere would need to reach this velocity in order to escape into space. The majority of gas molecules in the atmosphere do not have enough energy to reach this velocity and therefore remain trapped by the Earth's gravity.
Other factors
While the gravitational pull of the Earth is the primary force that holds the atmosphere in place, there are other factors that can affect the atmosphere. For example, solar wind and coronal mass ejections from the Sun can interact with the Earth's magnetic field and cause some atmospheric particles to escape into space. However, these effects are relatively small compared to the overall gravitational pull of the Earth.
Overall, the atmosphere is held around the Earth primarily due to the gravitational pull of the Earth. The Earth's mass creates a strong gravitational field that prevents the majority of gas molecules in the atmosphere from escaping into space. This gravitational pull is essential for maintaining the atmosphere and supporting life on Earth.
Attention UPSC Students!
To make sure you are not studying endlessly, EduRev has designed UPSC study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in UPSC.
|
Explore Courses for UPSC exam
|
|
Top Courses for UPSCView all
Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer?
Question Description
Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer?.
Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC.
Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
Here you can find the meaning of Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Atmosphere is held around the earth due toa)Continuous magnetic activity in the Earth’s coreb)Corona discharge from the Sun that reaches the earthconsistentlyc)Gravitational pull of the earthd)Presence of clouds in the troposphere and other layers above itCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice UPSC tests.
|
|
Explore Courses for UPSC exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup