Properties of Waves Review

Mechanical waves require a medium, but electromagnetic waves do not.

• True

• False

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NGSS.HS-PS4-3

Particles in a longitudinal wave vibrate ______________ to the direction that the wave travels.

• Parallel

• Perpendicularly

• up and down

• zig zag

A wave has a high frequency. What can you infer about its wavelength?

• it is long

• it is fast

• it is short

• it is not related to frequency

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Light travels in _________ waves.

• electromagnetic

• transverse

• mechanical

• longitudinal

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Microwaves are examples of ________________ waves.

• mechanical

• electromagnetic

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Tv remote control signals are carried by which type of electromagnetic wave?

• Gamma

• Radio

• infrared

• microwaves

The reflections of colors are carried by which type of electromagnetic wave?

• visible

• radio

• infrared

• microwaves

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NGSS.MS-PS4-2

Night vision goggles use which type of electromagnetic wave?

• visible

• radio

• infrared

• microwaves

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Cancer and sunburn can be caused by which type of electromagnetic wave?

• gamma

• UV

• visible

• microwaves

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Why can UV light cause cancer but visible light does not?

• UV has low frequency

• Visible light has higher energy

• UV has high frequency

• Both of them can cause cancer

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