Question: A rope 4 m long is fixed at one end; the other end is attached to a light string so that it is free to

A rope 4 m long is fixed at one end; the other end is attached to a light string so that it is free to move. The speed of waves on the rope is 20 m/s. Find the frequency of

(a) The fundamental,

(b) The second harmonic, and

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