12. What color of light has the LONGEST wavelength?
A. Red
B. Green
C. Violet
D. Blue
13. Which color of light has the shortest wavelength?
A. Violet
B. Blue
C. Red
D. Green
14. What do you call the combination of all colors?
A Black
B. Brown
C. Magenta
D. White
15. What color of light has the longest wavelength and lowest frequency?
A. Violet
B. Red
C. Green
D. Blue
16. What color will an object look that reflects light of all wavelengths in equal am
A. White
B. Black
C. Red
D. Blue
17. What makes red at the top of the rainbow?
A. Because it has the shortest wavelength.
B. Because it appears first.
C. Because it has the longest wavelength.
D. Because it is the brightest.
18. Which statement is correct about the intensity of light?
A. Longer wavelength, high amplitude. B. Shorter wavelength high amplitude.
C. High wavelength, low frequency
D. None of the above.

pa help Po thank you ​