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Waves are generated on a water surface. ...

Waves are generated on a water surface. Calculate the phase difference between two points A and B, when (i) A and B lie on the same wavefront at a distance of `2lambda` between them
(ii) A and B lie on successive crests separated by 1 m
(iii) A and B lie on succesive through separated by 1.5 m

Text Solution

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(i) on the same wavefront phase difference `=0`.
(ii) Between two successive crests, path difference`=lambda`. `:.` Phase difference between two successive throughs `=lambda`
`:.` Phase difference between A and `B =2pi` radian.
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