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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
What is known as atmosphere?
State the gaseous composition of the atmosphere.
Name the constituent gases of atmosphere which scientists consider responsible for climate change.
Explain the following term/process in detail:
Normal Lapse Rate of Temperature
Describe the structure of the atmosphere.
How does atmosphere govern life on earth?
Explain the composition of the Atmosphere
Define the following
Mesosphere
Define the following
Exosphere
Define the following
Thermosphere
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?
Give reasons for the following :
The ionosphere (thermosphere) is suited to long distance communication.
Give reasons for the following :
As a jet plane flies high in the sky, it leaves a white trail behind.
Give reasons for the following :
The exosphere allows the gas molecules to easily escape into space.
Give reasons for the following :
Dust particles plays a significant role in the atmosphere.
‘The atmosphere acts as a blanket or a glasshouse’. Discuss.
Answer the following questions
Which two gases make the bulk of the atmosphere?
How does carbon dioxide create green house effect?
Give an account of the composition of the atmosphere.
This ______ gas is chemically inactive in atmosphere.
Give Reason:
Nitrogen and oxygen are called permanent gases of the atmosphere.
This ______ is a permanent gas in the atmosphere.
This ______ gas helps in protecting the earth from radiation.
Who discovered Nitrogen in the Atmosphere? When?
Sea salt, pollen, ash, smoke soot, fine soil – these are associated with:
Oxygen gas is in negligible quantity at the height of atmosphere:
Describe the composition of the atmosphere.
