Final Exam Review 5 - Waves

A ___ is any material through which a wave travels.

• medium

• vacuum

• magnetic field

• electric field

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NGSS.HS-PS4-1

A mechanical wave is just a disturbance that propagates through a ____.

• medium

• vacuum

• energy

• surface

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NGSS.HS-PS4-1

What does frequency specify?

• The distance between two wave crests

• The number of wave cycles that occur in one second

• Time to complete one vibration

• The height of the wave

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NGSS.HS-PS4-1

If 2 vibrations occur in 1 second, what is the frequency in vibrations per second?

• 1

• 2

• 3

• 4

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NGSS.HS-PS4-1

The period in wave motion is defined as:

• The time taken to complete one cycle of the wave

• The distance between two consecutive crests

• The maximum displacement from the mean position

• The number of waves passing a point per second

Tags

NGSS.HS-PS4-1

A pendulum makes 2 vibrations in 1 second. What is the frequency and period of vibration?

• Frequency is 2 Hz and period is 0.5 s

• Frequency is 0.5 Hz and period is 2 s

• Frequency is 1 Hz and period is 1 s

• Frequency is 2 Hz and period is 2 s

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NGSS.HS-PS4-1

A sound wave has a frequency of 500 Hz. What is the period of vibration of the air molecules due to the sound wave?

• 1 s

• 0.01 s

• 0.002 s

• 0.005 s

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NGSS.HS-PS4-1

......... is the distance from the midpoint to the crest or to the trough.

• Amplitude

• Wavelength

• Frequency

• Pitch

.......... is the distance from the top of one crest to the top of the next crest, or distance between successive identical parts of the wave.

• Wavelength

• Medium

• Rarefaction

• Amplitude

Tags

NGSS.HS-PS4-1

What does the speed of a wave depend on?

• The medium (material) through which it travels.

• The color of the wave.

• The temperature of the observer.

• The size of the wave source.

Tags

NGSS.HS-PS4-1