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प्रश्न
Give reasons for the following :
The ionosphere (thermosphere) is suited to long distance communication.
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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.
संबंधित प्रश्न
What is known as atmosphere?
What is the significance of solid particles in the atmosphere?
Define the following
Exosphere
Give an account of the composition of the atmosphere.
How do Bacteria help plants use nitrogen?
This ______ gas is chemically inactive in atmosphere.
This ______ gas helps in protecting the earth from radiation.
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.
