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Fig. below shows the wave y=Asin(ωtkx) at any instant travelling in the +ve x-direction. What is the slope of the curve at B

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a
ω/A
b
k/A
c
kA
d
ωA

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detailed solution

Correct option is C

The particle velocity is maximum at B and is given by dydt=(vp)max=ωAAlso wave velocity is dxdt=v=ωkSo slope dydx=(vp)maxv=kA


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