The reflectance curve for a purple piece of paper would
A) reflect short wavelengths.
B) reflect long wavelengths only.
C) reflect all wavelengths equally.
D) reflect long and short wavelengths.

Question

Quizplus · Accepted Answer

Purple color is a combination of blue and red wavelengths. So, the reflectance curve for purple paper will reflect both short (blue) and long (red) wavelengths, resulting in a curve with a peak somewhere between blue and red wavelengths. Hence, the correct answer is D.

The Reflectance Curve for a Purple Piece of Paper Would