Geography

Of the insolation, 35% is reflected by the atmosphere; how much reaches the earth's surface?

  1. 14%
  2. 51%
  3. 35%
  4. 34%

Insolation

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Answer

51%

Reason — Out of the total 100% solar energy, 35% is reflected back into space and 14% is absorbed by the atmospheric layers including ozone. Hence, only the remaining 51% reaches the earth's surface.

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