Q.

What is the rate of solar energy reaching the earth surface?

A. 1016w
B. 865w
C. 2854w
D. 1912w
Answer» A. 1016w
Explanation: the solar energy reaching the surface of the earth is about 1016w whereas the worldwide power demand is 1013w. that means solar energy gives us 1000 times more energy than our requirement.
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