Joachim and Maricella Are Going for a Romantic Walk in the Park

Multiple Choice

Joachim and Maricella are going for a romantic walk in the park after an afternoon storm. Maricella looks up in the sky and sees a rainbow. She exclaims, "How beautiful!" Joachim, being something of a science buff, might correctly say ______________________

A) "You are just seeing the invisible spectrum."
B) "That's because you are seeing all the wavelengths of light we can see from short to long."
C) "That's because different intensities lead to the perception of different colors."
D) "That is because the amplitude of a light wave is related to its hue."