At what angle above the horizon must the sun be to create a rainbow?
Correct answer: C. 40 degrees
- A. 90 degrees
- B. 60 degrees
- C. 40 degrees
- D. 65 degrees
Explanation
A primary rainbow is normally visible when the Sun is below about 42 degrees above the horizon, making 40 degrees the closest option. At higher solar angles, the rainbow is difficult or impossible to see from level ground.
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