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प्रश्न
Describe the composition of atmosphere.
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उत्तर
The atmosphere is composed of gases, water vapour, and dust particles. Nitrogen constitutes 78.8%, oxygen contributes 20.94% and argon contributes 0.93% in atmosphere. Other gases include carbon dioxide, helium, ozone, methane, hydrogen, krypton, xenon, and neon, etc. Nitrogen and oxygen together constitute 99% of the atmosphere. Neon, krypton, xenon are scarce gases. The proportion of gases changes in the higher layers of the atmosphere in such a way that oxygen will be almost in negligible quantity at the height of 120 km. Similarly, carbon dioxide and water vapour are found only up to 90 km from the surface of the earth.
संबंधित प्रश्न
How is carbon dioxide a useful gas for life on earth?
State the gaseous composition of the atmosphere.
Mention any two functions of the atmosphere.
Name the constituent gases of atmosphere which scientists consider responsible for climate change.
Name two chief characteristics of atmosphere.
Explain the following term/process in detail:
Normal Lapse Rate of Temperature
Describe the structure of the atmosphere.
Why should we protect the atmosphere?
What is ‘Atmosphere’?
Explain the composition of the Atmosphere
Define the following
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Define the following
Mesosphere
Define the following
Exosphere
What is Atmospheric pressure?
OR
Is Atmospheric pressure the same on every place on the surface of the Earth?
Why does the atmosphere thin out at higher levels?
What are the properties of Troposphere?
What are the properties of Ionosphere?
Give reasons for the following :
Solid particles play an important role in the atmosphere.
Give reasons for the following :
The ionosphere (thermosphere) is suited to long distance communication.
Give reasons for the following :
The exosphere allows the gas molecules to easily escape into space.
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Answer the following questions
What is atmosphere?
Give an account of the composition of the atmosphere.
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What are the processes responsible for heating the atmosphere?
This ______ gas is chemically inactive in atmosphere.
Daniel Rutherford discovered ______ in atmosphere.
This ______ is a permanent gas in the atmosphere.
This ______ gas helps in protecting the earth from radiation.
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Sea salt, pollen, ash, smoke soot, fine soil – these are associated with:
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Describe the composition of the atmosphere.
