Speed of Sound in Air

Measure the speed of sound in air using a tube that is closed at one end. Use a Sound Sensor to record the initial pulse of sound and its echo. Calculate the speed of sound based on the overall distance traveled and the round-trip time.

Grade Level: College

Subject: Physics

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Featured Equipment

Economy Resonance Tube

Two nested cardboard tubes allow students to vary the length of a column of air and study resonance in both open and closed tubes.

Sound Sensor with Microphone

The Sound Sensor houses a sensitive microphone designed to display audio waveforms of sound levels between 45 and 100 dB.

Support

Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.
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Source Collection: Lab #59