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Figure shows a plot of the transverse di...

Figure shows a plot of the transverse displacement of the particle of a string at t = 0 through which a travelling wave is passing in the positive x-direction. The wave speed is 20 cm/s. Find (a) the amplitude, (b) the wavelength, (c) the wave number and (d) the frequency of the wave.

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(a) 1.0 min (b) 4 cm (c ) `0.71 cm^(-1)` (d) 5Hz
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