Experiment to investigate the relationship between frequency and length for a stretched string

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7 Terms

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Draw a diagram of this experiment

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Step 1

Set up apparatus as shown and turn on power

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Step 2

Starting at 0Hz turn up the frequency until the paper rider falls off (Resonance) and record this frequency and the length between the bridges

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Step 3

Move one of the bridges and repeat step 2

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Step 4

Repeat step 3 four more times

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Step 5

Plot a graph of f Vs. 1/l

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Conclusion

A graph of f Vs 1/l produces a straight line through the origin. Therefore f is inversely proportional to l