A blue object will appear black when illuminated with
A. blue light.
B. none of the above
C. light.
D. yellow light.
E. cyan light.
Answer (1)
A blue object appears black when illuminated with yellow light because it does not reflect the red or green wavelengths present in yellow light. This results in the object absorbing most of the light and appearing black. In contrast, it would appear blue under blue light and could also appear blue under cyan light. ;
