Thomas Young projected three different colored lights onto a screen so they partially overlapped. He found that he could produce ______________________ of the lights.
A)analogous colors by varying the duration
B)any color by varying the saturation
C)afterimages by varying the intensities
D)any color by varying the intensities

Question

Quizplus · Accepted Answer

By varying the intensities of the three colored lights, it is possible to produce any color on the screen, a phenomenon known as additive color mixing. This is because the human eye perceives color based on the combination of different wavelengths of light.

Thomas Young Projected Three Different Colored Lights onto a Screen