A primary rainbow is brighter than a secondary rainbow because
A) sunlight reaching it is more intense.
B) the secondary bow is a dim reflection of the primary rainbow.
C) there is one less reflection inside the water drops.
D) larger drops produce primary rainbows.
E) none of these

Question

Quizplus · Accepted Answer

A primary rainbow appears brighter than a secondary rainbow primarily because there is one less reflection inside the water drops for the primary rainbow. Each reflection within the water droplets results in a loss of light intensity, making the primary rainbow, which involves fewer internal reflections, appear brighter than the secondary rainbow.

A Primary Rainbow Is Brighter Than a Secondary Rainbow Because