Multiple choice

What percentage of in coming solar radiation reaches the earth?

  1. 14

  2. 51

  3. 25

  4. 86

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

About 51% of incoming solar radiation reaches the Earth's surface. The atmosphere absorbs approximately 19% and reflects about 30% back to space, with clouds and particles playing major roles in this energy balance.