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In the equation : y=a sin (omega t - kx)...

In the equation : `y=a sin (omega t - kx),` t and x stand for time and distnace respectively. Obtain the dimensional formula for `omega` and k.

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An angle is a dimensionless quantity,
`therefore [omegat]=1 or [omega]=(1)/([t])=(1)/(T)=T^(-1)`
`[kx]=1 or [k]=(1)/([x])=(1)/(L)=L^(-1)`
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