Prelims · 3 Physical & World Geography · 3.4 Atmosphere, temperature, pressure and winds

3.4.2 Structure of the atmosphere: troposphere to exosphere and the ionosphere

On the basis of temperature, the atmosphere has five layers: the troposphere (weather), stratosphere (ozone), mesosphere (coldest), thermosphere with the ionosphere (radio waves) and the exosphere, which fades into space.

  • APPSC Group 2 · Prelims
  • Standard level
  • 7 min read
  • Full course

Key terms

  • troposphere
  • tropopause
  • stratosphere
  • ozone layer
  • mesosphere
  • mesopause
  • thermosphere
  • ionosphere
  • exosphere
  • lapse rate
  • radio waves
  • aurora
  • Montreal Protocol
  • NARL Gadanki

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. AP angleStandard
  5. Mains writingMains writing
  6. Common trapsFoundation
  7. Quick revisionFoundation

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