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  • For the travelling harmonic wave where x and y are in cm and t in s. Calculate the phase difference between oscillatory motion of two points separated by a distance of lambada /2

Q.15.10 (c) For the travelling harmonic wave

y(x,t)=2.0\; \cos 2\pi (10t-0.0080\; x+0.35)

where x and y are in cm and t in s. Calculate the phase difference between oscillatory motion of two points  separated by a distance of (c)\lambda /2

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The phase difference between two points separated by a distance of \\\Delta x is given by

\\\Delta \phi =\frac{2\pi }{\lambda }\Delta x

Phase difference for two points separated by a distance of \frac{\lambda }{2} would be

\\\Delta \phi =\frac{2\pi }{\lambda }\times \frac{\lambda }{2}\\ \Delta \phi =\pi\ rad

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Sayak

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