Resonance: Speed of Sound   

Resonance occurs when an object is made to vibrate at its natural frequency, and the vibrations reinforce themselves, becoming larger. In the case of sound, the object can be a column (or other vessel) of air, and the larger vibrations are observed as a louder sound. In this lab, students will use a tuning fork to find the resonance point of a column of air. Then they will use a simple formula to find the speed of sound.

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Required Equipment
Tuning Forks Set, 1000ml Graduated Cylinder, Resonance Tube, Meter Stick, Rubber Band

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