Sound Waves and Acoustics

Learn about sound waves and the principles of acoustics.

Sample Cards

Longitudinal Wave

The type of wave that sound travels as

Compression

The region of a sound wave where particles are compressed

Rarefaction

The region of a sound wave where particles are spread apart

Hertz (Hz)

The unit used to measure the frequency of sound waves

Higher frequency results in a higher pitch

The effect of frequency on the pitch of a sound

Transverse Wave

The type of wave sound does not travel as

343.2 m/s

The speed of sound in dry air at 20°C

Decibel (dB)

The unit used to measure the sound intensity

Sound Waves and Acoustics Flashcards

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Longitudinal Wave

The type of wave that sound travels as

The type of wave that sound travels as

Longitudinal Wave

Compression

The region of a sound wave where particles are compressed

The region of a sound wave where particles are compressed

Compression

Rarefaction

The region of a sound wave where particles are spread apart

The region of a sound wave where particles are spread apart

Rarefaction

Hertz (Hz)

The unit used to measure the frequency of sound waves

The unit used to measure the frequency of sound waves

Hertz (Hz)

Higher frequency results in a higher pitch

The effect of frequency on the pitch of a sound

The effect of frequency on the pitch of a sound

Higher frequency results in a higher pitch

Transverse Wave

The type of wave sound does not travel as

The type of wave sound does not travel as

Transverse Wave

343.2 m/s

The speed of sound in dry air at 20°C

The speed of sound in dry air at 20°C

343.2 m/s

Decibel (dB)

The unit used to measure the sound intensity

The unit used to measure the sound intensity

Decibel (dB)

Doppler Effect

The change in frequency or wavelength of a wave in relation to an observer

The change in frequency or wavelength of a wave in relation to an observer

Doppler Effect

Echo

The reflection of sound arriving at the listener some time after the direct sound

The reflection of sound arriving at the listener some time after the direct sound

Echo

Refraction

The change in direction of a wave passing from one medium to another

The change in direction of a wave passing from one medium to another

Refraction

Interference

The phenomenon of two or more overlapping sound waves leading to a new wave pattern

The phenomenon of two or more overlapping sound waves leading to a new wave pattern

Interference

Resonance

The phenomenon where a vibrating system drives another system to oscillate with greater amplitude

The phenomenon where a vibrating system drives another system to oscillate with greater amplitude

Resonance

20 Hz to 20,000 Hz

The human hearing range

The human hearing range

20 Hz to 20,000 Hz

Acoustics

The science dealing with the production, control, transmission, reception, and effects of sound

The science dealing with the production, control, transmission, reception, and effects of sound

Acoustics

Higher temperature results in higher speed of sound

The effect of temperature on sound speed

The effect of temperature on sound speed

Higher temperature results in higher speed of sound

Sound Absorption

The process where sound energy is converted into heat

The process where sound energy is converted into heat

Sound Absorption

Soundproofing

The technique used to reduce the transmission of sound from one place to another

The technique used to reduce the transmission of sound from one place to another

Soundproofing

Overtones

The harmonics of a sound that are higher than the fundamental frequency

The harmonics of a sound that are higher than the fundamental frequency

Overtones

Ultrasound

Sound waves with frequency above the upper limit of the human hearing range

Sound waves with frequency above the upper limit of the human hearing range

Ultrasound

Telecommunication

Applications of sound waves in transferring information

Applications of sound waves in transferring information

Telecommunication

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