Concept:In light, colours are mixed additively, and the primary colours are red, green, and blue.
Explanation:Mixing blue and green light is an example of additive colour mixing.
Additive mixing combines the wavelengths of the two light sources.
When blue light and green light overlap, the eye perceives a single combined colour.
This combined colour is cyan, which is often described as a bluish-green colour.
Cyan is one of the secondary colours formed by mixing two primary light colours.
Therefore, the resultant colour is cyan, not yellow, magenta, or black.
Answer:The correct option is A. cyan.