Figure shows a plot of the transverse d...

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 cms^-1`. Find (a) the amplitude, (b) the wavelength, (c) the wave number and (d) the frequency of the wave.
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The correct Answer is:

A, B, C, D

Given that `v=20cm/s`
a. amplitude `A=1mm`
b. `Wavelength lamda=4cm`
c. Wave number `n=(2pi)/lamda`
`=((2xx3.14))/4`
`=1.57cm^-1`
`(wave number =k)`
d. Frequencey `f=1/T=20/4=5Hz`
`(where time period T=lamada/v)`

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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 cms^-1`. Find (a) the amplitude, (b) the wavelength, (c) the wave number and (d) the frequency of the wave. .

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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 cms^-1`. Find (a) the amplitude, (b) the wavelength, (c) the wave number and (d) the frequency of the wave.
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