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H3-32. Resonance In Tube - Pouring Water

Purpose

To demonstrate standing wave resonances in an acoustical closed tube.

Equipment

Pitcher of water, graduated cylinder.

Images

H3-32

Description

Water is poured into a tall graduated cylinder, creating a gurgling sound as the water level in the tube rises. Because the air column on top of the water is becoming shorter, the frequencies of the resonances rise, which can be easily observed.◙

References

(PIRA unavailable.)