Q828
On the average, about what percentage of the solar energy that strikes the outer atmosphere eventually reaches the earth's surface?
A.
5%
B.
15%
C.
30%
D.
50%
AnswerE.
70%
Answer: Option D
Solution
Answer: Option D
Solution:
About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapour, dust, and ozone, and 48 percent passes through the atmosphere and is absorbed by the surface. Thus, about 71 percent of the total incoming solar energy is absorbed by the Earth system.