Mechanical Waves Practice Test

A disturbance that transfers energy from place to place is called a

• compression

• wave

• vibration

• medium

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

The highest parts of a transverse wave are called

• wavelength

• crest

• trough

• node

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NGSS.MS-PS4-1

The bending of waves due to a change in speed is called

• refraction

• diffraction

• reflection

• interference

The interaction between two waves that meet is called

• reflection

• refraction

• diffraction

• interference

A mechanical wave moves through a medium, which can be

• a solid

• a liquid

• a gas

• a solid, liquid, or gas.

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NGSS.MS-PS4-2

Transverse and longitudinal waves both

• are capable of moving the medium a long distance.

• move at right angles to the vibration of the medium.

• have compressions and rarefactions.

• transfer energy through a medium.

Figure 17-1 shows a wave movement during 1 second. What is the frequency of this wave?

• 2 hertz

• 2 meters/second

• 0.5 second

• 1 hertz

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NGSS.MS-PS4-1

A period is the length of time it takes for

• a disturbance to start a wave.

• one complete wavelength to pass a fixed point.

• two complete wavelengths to pass a fixed point.

• a wave to travel the length of a rope.

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NGSS.MS-PS4-1

A wave has a wavelength of 15 mm and a frequency of 4.0 hertz. What is its speed?

• 60 mm/s

• 60 hertz/s

• 0.27 mm/s

• 3.8 mm/s

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NGSS.HS-PS4-1

The period of an ocean wave is 10 seconds. What is the wave’s frequency?

• 5.0 Hz

• 20.0 Hz

• 10.0 Hz

• 0.10 Hz

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NGSS.MS-PS4-1