Understanding Light and Color

What is the process called when white light is split into its component colors?

• Refraction

• Dispersion

• Reflection

• Diffraction

Which color in the visible spectrum has the longest wavelength?

• Red

• Green

• Violet

• Blue

What happens when white light hits a red ball?

• All colors are absorbed except red, which is reflected.

• All colors are reflected.

• All colors are absorbed.

• Only blue is reflected.

Which of the following is NOT a primary color of light?

• Yellow

• Red

• Blue

• Green

What color do you see when red and green light are mixed?

• Magenta

• Cyan

• Blue

• Yellow

How does a white ball appear under white light?

• Black

• Blue

• Red

• White

What does a red filter do to light?

• It lets all colors through.

• It only lets red light through.

• It blocks all light.

• It only lets blue light through.

How would a blue ball appear through a red filter?

• Green

• Red

• Blue

• Black

What happens when a blue ball is viewed through a blue filter?

• It appears black.

• It appears red.

• It appears blue.

• It appears green.

If a red ball is viewed through a green filter, what color will it appear?

• Black

• Red

• Yellow

• Green