Colors of Light

Which has the greatest energy among the colors in a rainbow?

• green

• orange

• red

• violet

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

Among the following colors in a rainbow, which has the least energy?

• green

• orange

• red

• violet

Tags

NGSS.HS-PS4-4

What is the acronym used to remember visible light?

• DOGFOUND

• KTPERRY

• ROYGBIV

• ROMERO

What is called the separation of white light into different colors as it passes through prism?

• DOGFOUND

• dispersion

• reflection

• refraction

Which of the following orders of visible light colors shows increasing wavelength?

• red, orange, yellow, green, blue, indigo, violet

• red, yellow, green, orange, violet, blue, indigo

• violet, indigo, blue, green, yellow, orange, red

• violet, blue, green, orange, red, indigo, yellow

Why does white light separate into different colors as it passes through a prism?

• The colors are changed by addition.

• This is an example of color by subtraction.

• Different colored light has different wavelengths.

• The side part of a prism only let certain colors of light pass through.

Why does the constituent colors of white light recombined and goes back into a single white light as it passes through second prism?

• Prism distort image.

• Prisms are transparent.

• Light travels at a constant speed.

• White light is composed of colors.

Which of the following is true about the relationship between frequency and energy?

• The frequency of the color of light and energy are not related.

• As the frequency of the color of light increases, its energy decreases.

• As the frequency of the color of light decreases, the energy increases.

• As the frequency of the color of light increases, the energy also increases..

Tags

NGSS.HS-PS4-4

The diagram shows the relative positions of a light source, apple, paper, and person. The person can’t see the apple. Which of the following correctly describes the light interactions taking place in the diagram?

• Light is absorbed by, not transmitted through, the paper.

• Light is reflected off the apple, but absorbed by the light source.

• Light from the light source is reflected only off the apple.

• Light is transmitted through the paper and then reflected off the apple.

A student places a pencil in a glass of water and observes that the pencil appears to be broken. Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs all the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass

• The surface of the water reflects light rays.