Wave Speed on a String: f_n = nv/(2L)

Record harmonics f_n, L fixed; v = 2f_n L/n, mean v.

School· 22 min

Goal

Determine v in m/s.

Equipment

  • String, frequency generator

Theory

Fixed-fixed: f_n = n v / (2L).

Procedure

  1. n, f; L = 1.2 m.

Experiment

Conclusion

v is consistent for all harmonics.