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The equation of a travelling wave is y...

The equation of a travelling wave is
`y60 cos(1800t-6x)`
where y is in microns, t in seconds and x in metres. The ratio of maximum particle velocity to velocity of wave propagation is

A

3.6

B

`3.6xx10^(-6)`

C

`36xx10^(-11)`

D

`3.6xx10^(-4)`

Text Solution

Verified by Experts

The correct Answer is:
d
Maximum particle velocity =`omegaA`
wave velocity =`(omega)/(K)`
Therefore, the required ratio
`=(omegaA)/(omega//K)`
`AK`
`=60xx10^(-6)xx6`
`=3.6xx10^(-4)`
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