Properties of Sound Waves

On what does the amount of energy a sound wave carries depend?

• The medium through which it travels

• The amount of energy that caused the original vibration

• The distance it travels from the source

• The frequency of the sound wave

Tags

NGSS.MS-PS4-1

What happens to the amplitude of a wave as its energy increases?

• The amplitude decreases.

• The amplitude remains the same.

• The amplitude increases.

• The amplitude becomes zero.

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NGSS.MS-PS4-1

What is the definition of intensity as it relates to wave energy?

• The frequency of wave energy that hits a square meter of space in one second.

• The amount of wave energy that passes through a square meter of space in one second.

• The speed of wave energy as it travels through a square meter of space.

• The wavelength of wave energy that passes through a square meter of space.

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NGSS.MS-PS4-1

What does loudness refer to in the context of sound waves?

• The frequency of the sound wave

• The way a person perceives the amplitude of a sound wave

• The speed at which a sound wave travels

• The duration of a sound wave

Tags

NGSS.MS-PS4-1

What does the unit decibel measure?

• The frequency of a sound

• The duration of a sound

• The loudness of a sound

• The pitch of a sound

What does a sound wave consist of?

• Two compressions

• Two rarefactions

• One compression and one rarefaction

• One compression and two rarefactions

Tags

NGSS.MS-PS4-1

What is the frequency of a sound wave?

• The amplitude of the wave

• The number of waves that pass by a point each minute

• The number of waves that pass by a point each second

• The speed of the wave

What is the unit of frequency?

• Decibel

• Ampere

• Hertz

• Watt

How is one hertz defined?

• One vibration per minute

• One vibration per hour

• One vibration per second

• One vibration per millisecond

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What frequency range is considered as infrasound?

• Above 20,000 Hz

• 20 Hz to 20,000 Hz

• Below 20 Hz

• Exactly 20 Hz