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प्रश्न
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
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उत्तर
The thermosphere is the layer of the atmosphere that help in radio transmission.
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संबंधित प्रश्न
How does the atmosphere act as a blanket?
Explain in brief the different layers of the atmosphere and the basic functions of the main layers.
State in brief how water vapour in the atmosphere determines the climatic conditions
What would happen to the earth if the atmosphere disappeared?
We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
Choose the correct answer.
This gas protects us from the harmful ultraviolet radiation.
State whether the following is true or false.
The stratosphere is the lowest layer of the atmosphere.
Write True or False.
CFCs and BFCs protect the ozone layer.
Explain the significance of the earth’s atmosphere.
What is an important feature of Stratosphere?
Answer the following question briefly:
Name the different layers of atmosphere.
Very Short Answer Type Question:
What is the nature of the temperature?
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
All weather changes occur in the Troposphere.
Give reason:
Thermosphere is also referred to as “Heterosphere”.
What are the elements of weather and climate?
Draw a suitable diagram for the structure of the atmosphere and label it and describe it.
The ozone layer protects all life on earth from the harmful ______ rays of the sun.
