Waves and Applications

Which of the following is an application of electromagnetic waves in technology?

• Seismic wave detection

• Radio broadcasting

• Ocean wave energy

• Sound wave amplification

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NGSS.HS-PS4-2

NGSS.HS-PS4-5

Which of the following is a characteristic of electromagnetic waves?

• They cannot travel through a vacuum

• They are always visible

• They can be polarized

• They require a medium to travel

What is the relationship between wavelength and frequency in a wave?

• They are directly proportional

• They are inversely proportional

• They are unrelated

• They are equal

Tags

NGSS.HS-PS4-1

Which of the following is true about mechanical waves?

• They can travel through a vacuum

• They require a medium to travel through

• They do not undergo refraction

• They are not affected by absorption

Which property of a wave is measured in hertz (Hz)?

• Amplitude

• Frequency

• Wavelength

• Speed

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NGSS.HS-PS4-1

What happens to a wave when it is absorbed by a material?

• It speeds up

• It is reflected

• It loses energy

• It increases in amplitude

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NGSS.HS-PS4-4

What is the primary role of waves in communication systems?

• To create sound

• To transmit information

• To generate electricity

• To reflect light

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NGSS.HS-PS4-5

What happens to the speed of a wave as it moves from a less dense medium to a more dense medium?

• The speed increases

• The speed decreases

• The speed remains the same

• The speed becomes zero

Tags

NGSS.HS-PS4-1

Which of the following describes the speed of a wave?

• The number of waves that pass a point in one second

• The distance a wave travels in a given amount of time

• The height of the wave from the rest position

• The distance between two consecutive crests

Tags

NGSS.HS-PS4-1

When a sound is louder what measurement gets bigger?

• Frequency 

• Amplitude 

• Wavelength 

• Crest

Tags

NGSS.MS-PS4-1