Visible Light Spectrum

What color of light has the longest wavelength?

• red

• green

• yellow

• violet

What color of light has the shortest wavelength?

• red

• indigo

• yellow

• violet

Why does this apple look red?

• The apple reflects red light and absorbs all other colors

• The apple absorbs red light and reflects all other colors

• The apple reflects all the light shinning on it

• The apple is red because we see that color.

Tags

NGSS.MS-PS4-2

If a ray of light has a wavelength of 580 nanometers, what shade of visible light does it produce?

• red

• orange

• green

• yellow

Which shade of visible light is caused by a light wave with the longest wavelength?

• orange

• violet

• red

• yellow

Which shade of visible light is caused by a light wave with the shortest wavelength?

• yellow

• red

• violet

• orange

If a ray of light has a wavelength of 465 nanometers, what shade of visible light does it produce?

• yellow

• violet

• blue

• orange

The waves shown below represent sound waves. Which of the waves would have the highest-pitched sound?

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• 
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The waves shown below represent sound waves. Which of the waves would have the lowest-pitched sound?

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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.

Tags

NGSS.MS-PS4-2