# The displacement of a progressive wave is represented by y = A sin(wt – k x ), where x is distance and t is time.

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The displacement of a progressive wave is represented by y = A sin(wt – k x ), where x is distance and t is time. Write the dimensional formula of (i) ω and (ii) k.

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Dimensional formula of  ω =T – 1

Dimensional formula of k = L–1