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A wave travelling in positive X-directio...

A wave travelling in positive X-direction with `A=0.2m` has a velocity of `360 m//sec` if `lamda=60m`, then correct exression for the wave is

A

`y=0.2sin[2pi(6t+(x)/(60))]`

B

`y=0.2sin[pi(6t+(x)/(60))]`

C

`y=0.2sin[2pi(6t-(x)/(60))]`

D

`y=0.2sin[pi(6t-(x)/(60))]`

Text Solution

Verified by Experts

The correct Answer is:
C
A wave travelling in positive x-direction may be represnted as `y=Asin.(2pi)/(lamda)(vt-x)`. On putting values `y=0.2sin.(2pi)/(60)(360t-x)`
`impliesy=0.2sin.2pi(6t-(x)/(60))`
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