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प्रश्न
What is the troposphere?
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उत्तर
Troposphere is the lowest layer of the atmosphere. It protects us from the heat of sun during day and keeps the earth warm at night ozone. This is the densest layer of the atmosphere and its thickness varies from 8 km over the poles to 18 km over the equator.
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संबंधित प्रश्न
How are clouds formed?
How does the average temperature of Earth remain fairly steady?
Set up an experiment to measure gain and loss of heat by water, sand and air.
What would happen to the earth if the atmosphere disappeared?
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
Choose the correct answer.
The rate at which the temperature drops in the troposphere is called
State whether the following is true or false.
Communication satellites orbit in thermosphere.
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
Write True or False.
CFCs and BFCs protect the ozone layer.
Explain the significance of the earth’s atmosphere.
What is responsible for causing a hole in the ozone layer?
Tick the correct answer:
The major constituent of atmosphere by percent is ____________
In which layer of the atmosphere do we see the rainbow?
Atmosphere gets heated by conduction than solar radiation.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
Why is atmosphere essential for life on earth?
The part of atmosphere which contains gases with even composition is called ______.
Give reason:
Thermosphere is also referred to as “Heterosphere”.
Atmosphere is composed of ______ nitrogen.
What is mesosphere?
