Which of the following are necessary for rainbows to appear?
A)rain falling at some distance away
B)clear sky above the viewer
C)clear sky behind the viewer
D)all of these

Question

Quizplus · Accepted Answer

Rainbows are caused by the refraction, reflection, and dispersion of light in water droplets in the air, such as those after a rain shower. The clear sky allows the rainbow to be visible, and it must be behind the viewer for the rainbow to be seen in front. Therefore, all three options are necessary for rainbows to appear.

Which of the Following Are Necessary for Rainbows to Appear