B. convex
C. angular
D. plane
Penn Foster Students: PLane
b. blue, yellow, and white are primary colors.
c. they are complementary colors of light.
d. they are both primary colors of light.
Answer: The correct answer is c.
Explanation: According the RGB color model, the light of the two complementary colors will combine to form a white light. This happens because the complementary colors combine at full intensity.
Complementary colors according to RBG color model is:
From the above information, we conclude that blue light and yellow light are complementary colors of light and hence, the combination of two will produce white light.