Answer:
Option b
Explanation:
__RGB__ mixing is a common method of producing color by varying the quantities of three input.
For specialized applications such as LCD back lighting or projection images, and applications requiring dynamic color control, RGB mixing is the preferred choice.
Reference: Steigerwald, Daniel A., et al. "Illumination with solid state lighting technology." IEEE journal of selected topics in quantum electronics 8.2 (2002): 310-320.
