![]() Then using equation, we getį = `v/lambda = 1/(2l) sqrt("T"/mu)` in Hertz. Let f be the frequency of the vibrating element, T the tension of in the string and p the mass per unit length of the string. If the length of the vibrating element is then In between the knife edges, anti-nodes are formed. Two adjustable wooden knives are put over the board, and their positions are adjusted to change the vibrating length of the stretched wire.Ī transverse stationary or standing wave is produced and hence, at the knife edges P and Q, nodes are formed. ![]() The weights are added to the free end of the wire to increase the tension of the wire. Since only one string is used, it is also known as monochord. One end of the string is connected to a hook and the other end is connected to a weight hanger through a pulley as shown in Figure 11.34. The sonometer is made up of a hollow box which is one meter long with a uniform metallic thin string attached to it.
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