If the Nigerian flag (green, white, green) is viewed in pure yellow light, which of the following sets of colours would be observed from the flag?
A
Red, yellow, red
B
Green, yellow, green
C
Green, white, green
D
Black, yellow, black
Verified Correct Answer: D.
Physical Principles & Numerical Solution
Pure yellow light contains only yellow wavelengths.
Green parts of the flag absorb yellow light → appear black.
The white part reflects all colours, including yellow → appears yellow.
Source: Myschool Past Questions Archive (Record #78283)