The displacement of the particle of the medium in presence of a progressive wave is represented by y=Asin(wt-kx),where x is distance and r is time.Write the dimensional formula of w and k.
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We have to apply principle of homogeneity to solve this problem. Principle of homogeneity states that in a correct equation, the dimensions of each term added or subtracted must be same, i.e., dimensions of LHS and RHS should be equal.
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