6. Which of the following statements about colors of light is correct?
A. Color is a property of a material.
B. Yellow is a primary color of light.
C. White ligth is made up of 7 colors
D. Cyan is a combination of red and blue ligth
7. White light is produced when complementary colors are added. Which of the following pairs are
not complementary?
A. red and cyan
B. red and yellow
C. blue and yellow
D. green and magenta​