Light Frequency and Wavelength

What is true about electromagnetic waves with a higher frequency? (Choose all that apply)

• They have a longer wavelength

• They have more energy

• They have less energy

• They have a shorter wavelength

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NGSS.HS-PS4-1

What color has a longer wavelength?

• Red

• Yellow

• Blue

• Violet

Why do things appear green

• They reflect green wavelengths of light

• They absorb green wavelengths of light

• Only green wavelengths of light hit it

What happens to light when its wavelength changes?

• It slows down

• It changes color

• Nothing else changes

Which color has the longest wavelength and the lowest frequency?

Identify the wave of light with the highest frequency and the wave of light with the lowest frequency.

a

b

Highest frequency

Lowest frequency

Tags

NGSS.HS-PS4-1

How does the wavelength of orange light compare to the wavelength of blue light?

• They have the same wavelengths.

• Blue light has a longer wavelength than orange light.

• Orange light has a shorter wavelength than blue light.

• Orange light has a longer wavelength than blue light.

Red light carries _______ because it has low frequency

• the least amount of energy

• the largest amount of energy

Tags

NGSS.MS-PS4-1

Which "item" represents ultraviolet radiation:

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which lines represent wavelengths of the wave in the model below? Select ALL correct

answers.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2