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प्रश्न
Give reasons for the following :
The ionosphere (thermosphere) is suited to long distance communication.
उत्तर
The ionosphere is suited to long-distance communication because radio waves used for this purpose are reflected back to the earth by the electrically charged gas molecules in it.
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संबंधित प्रश्न
Name two chief characteristics of atmosphere.
Describe the structure of the atmosphere.
Define the following
Thermosphere
Why does the atmosphere thin out at higher levels?
Give reasons for the following :
The Earth does not experience extremes of temperature as in other planets.
Answer the following questions
Which gas creates green house effect in the atmosphere?
What is the significance of greenhouse gas?
How do Bacteria help plants use nitrogen?
Write about the composition of the Atmosphere.
Oxygen gas is in negligible quantity at the height of atmosphere:
