(Savvas 18.4) Ch. 18.4 Color

The process in which white light is separated into the colors of the rainbow is called _______.

• reflection

• dispersion

• absorption

• polarization

A pigment is material that absorbs some colors of light and reflects other colors.

• True

• False

What are the primary colors of PIGMENTS?

• Cyan, Yellow, and Magenta

• Red, Blue, and Green

• Orange, Purple, and Green

• Black, White, and Grey

What are the primary colors of LIGHT?

• Cyan, Yellow, and Magenta

• Red, Blue, and Green

• Orange, Purple, and Green

• Black, White, and Grey

When all three primary colors of pigment are mixed which color is produced?

• black
• magenta
• white
• cyan

When all three primary colors of light are mixed which color is produced?

• black
• magenta
• white
• cyan

How are rainbows formed?

• When sunlight is absorbed by raindrops

• When moonlight is refracted and reflected inside raindrops

• When sunlight is refracted and reflected inside raindrops

• When sunlight is reflected off the surface of raindrops

Which one of the following statements best explains why this shirt looks blue in sunlight?

• Blue light is absorbed; all other colors are reflected.

• All colors of light are absorbed, but blue is refracted.

• Blue light is scattered and all other colors are absorbed.

• Blue light is reflected; all other colors are absorbed.

Tags

NGSS.MS-PS4-2

Sunlight strikes a glass prism. Which of the following light colors will be refracted the least?

• violet

• blue

• red

• yellow

Answer explanation

Red light refracts the least when sunlight is passed through a prism because red light has the longest wavelength and slows down the least.

Tags

NGSS.MS-PS4-2

Which characteristic of visible light is responsible for its color?

• amplitude

• shape

• speed

• wavelength