Figure shows a plot of the transverse displacements of
Question:

Figure shows a plot of the transverse displacements of the particles of a string at $t=0$ through which a travelling wave is passing in the positive $x$-direction. The wave speed is $20 \mathrm{~cm} / \mathrm{s}$. Find

(a) the amplitude

(b) The wavelength

(c) The wave number and

(d) The frequency of the wave.

Solution: