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# Waves and sound

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Introduction to wavesTransverse and longitudinal waves review

Practice

Identifying transverse and longitudinal wavesGet 3 of 4 questions to level up!

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Properties of periodic wavesWave characteristics review

Practice

Characteristics of longitudinal and transverse wavesGet 3 of 4 questions to level up!

Calculating wave speed, frequency, and wavelengthGet 3 of 4 questions to level up!

Calculating frequency and wavelength from displacement graphsGet 3 of 4 questions to level up!

Wave energy from graphsGet 3 of 4 questions to level up!

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Wave interferenceWave interference review

Practice

Predicting wave interference patternsGet 3 of 4 questions to level up!

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Standing waves on stringsStanding waves review

Practice

Wavelength and frequency for a standing waveGet 5 of 7 questions to level up!

Calculating frequency for harmonics of a standing waveGet 3 of 4 questions to level up!

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Production of soundSound Properties: Amplitude, period, frequency, wavelengthSpeed of SoundStanding waves in open tubesStanding waves in closed tubesIntroduction to sound review

Practice

Wavelength and frequency for sound waves in tubes Get 3 of 4 questions to level up!

Pressure and displacement of sound waves in tubesGet 3 of 4 questions to level up!

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Beat frequencyBeats and interference of sound waves review

Practice

Analyzing the interference of sound waves and beats Get 3 of 4 questions to level up!

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Doppler effect introductionDoppler effect review

Practice

Doppler effect: Wavefront diagrams and word problemsGet 3 of 4 questions to level up!

### About this unit

Waves are responsible for basically every form of communication we use. Whether you're talking out loud or texting on your phone, there's going to be a wave transmitting information. Learn the basics of waves and sound in this unit.AP® is a registered trademark of the College Board, which has not reviewed this resource.