Which layer of the atmosphere is used the most for communication? 

Which layer of the atmosphere is used the most for communication?  Correct Answer Ionosphere

  • The ionosphere is the atmospheric layer, which is mostly used for communication purpose.
  •  Due to electrical conductivity, ionosphere helps in radio communication.
  •  Layers of the atmosphere:-
 

Layer

Range

Feature

Troposphere

0 to 12 km

  • The lowest layer of Earth's atmosphere.
  • The troposphere contains roughly 80% of the mass of Earth's atmosphere.
  • It is the layer where most of Earth's weather takes place.

Stratosphere

12 to 50 km

  • It contains the ozone layer, which is the part of Earth's atmosphere that contains relatively high concentrations of that gas.
  • Temperature Inversion (temperatures rise with increasing altitude) is seen in this layer.
  • This rise in temperature is caused by the absorption of ultraviolet radiation (UV) radiation from the Sun by the ozone layer, which restricts turbulence and mixing.

  Mesosphere

50 to 80 km

  • It is the coldest place on Earth and has an average temperature around −85 °C 
  • It is also the layer where most meteors burn up upon atmospheric entrance.

Thermosphere

80 to 700 km

  • The lower part of the thermosphere, from 80 to 550 kilometres above Earth's surface, contains the ionosphere.
  • The ionosphere is used for Radio Communication.
  • The temperature of the thermosphere gradually increases with height(Temperature Inversion) 
  • The International Space Station orbits in this layer, between 350 and 420 km.

Exosphere

700 to 10,000 km

  • The outermost layer of Earth's atmosphere.
  • Contains most of the satellites orbiting Earth.

Related Questions

Which of the following represent represents correct matching of the layers of atmosphere. A. Exosphere (i) Layer help in radio transmission. B. Troposphere (ii) Upper most layer of atmosphere. C. Stratosphere (iii) Lower most layer of atmosphere D. Thermosphere (iv) Layer contains ozone gas.