Nature of Electromagnetic Waves

The lowest point on this wave is called a

• crest.

• trough.

• compression.

• rarefaction.

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NGSS.MS-PS4-1

Which wave in the diagram has the greatest frequency?

• 1

• 2

• 3

• 4

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NGSS.MS-PS4-1

In what way does a transverse way move?

• parallel to the direction of the wave

• tangentially to the direction of the wave

• at an 180 degree angle

• perpendicular to the direction of the wave

Examples of electromagnetic wave are (choose all that apply)

• microwaves.

• gamma waves.

• ocean waves.

• radio waves.

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NGSS.MS-PS4-1

Which type of electromagnetic wave is most harmful to human skin?

• Infrared radiation

• Ultraviolet light

• Visible light

• Radio waves

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NGSS.HS-PS4-4

What types of waves can travel through empty space AND mediums? (a)  

• Longitudinal

• Mechanical

• Electromagnetic

Which wave in the diagram has the greatest wavelength?

• 1

• 2

• 3

• 4

Light travels at a speed of

• 186,000 m/s.

• 125 m/s

• 3.00 x 10⁸ m/s

• It depends on the wavelength

Tags

NGSS.HS-PS4-1

The true nature of light is that light is...

• a wave (energy)

• a particle

• both a wave (energy) and a particle

• a plasma

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NGSS.HS-PS4-3

Which of the following is the term for a particle of light?

• Proton

• Plasma

• Gamma ray

• Photon