Understanding Color Perception and Optical Illusions

What is the main reason the blue dot appears to move around the circle?

• The screen is malfunctioning.

• The dot changes color.

• The dot is actually moving.

• Our brain is tricked into seeing movement.

When mixing red and green light, what color does the brain perceive?

• Orange

• Purple

• Yellow

• Brown

Why does mixing red and green paint result in brown?

• Because the paint is of low quality.

• Because red and green are primary colors.

• Because pigments absorb more colors.

• Because red and green are complementary colors.

What happens when you mix complementary colors in light?

• You get a random color.

• You get black.

• You get white.

• You get a darker color.

How does the brain perceive white light?

• By mixing all colors of light.

• By mixing red and blue light.

• By mixing blue and yellow light.

• By mixing red and green light.