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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 in the positive x-direction. The wave speed is `20cm//s`. Find (a) the amplitude (b) the wavelength (c) the wave number and (d) the frequency of the wave.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
From the given figure, we can see that
(a) Amplitude, `A = 1.0 mm`
(b) Wavelength, `lambda = 4cm`
(c) Wave number, `k = (2pi)/(lambda) = 1.57 cm^(-1)~~ 1.6 cm^(-1)`
(d) Frequency, `f = (v)/(lambda) = (20)/(4) = 5Hz`
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