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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
Why should we protect the atmosphere?
Explain the composition of the Atmosphere
What is Atmospheric pressure?
OR
Is Atmospheric pressure the same on every place on the surface of the Earth?
What are the properties of Ionosphere?
Give reasons for the following :
The Earth does not experience extremes of temperature as in other planets.
Give reasons for the following :
The exosphere allows the gas molecules to easily escape into space.
‘The atmosphere acts as a blanket or a glasshouse’. Discuss.
Answer the following questions
What is atmosphere?
Why do green plants use carbon dioxide?
How does nature balance our life? What is the result if this balance is disturbed?
