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Equations a stationary and a travelling waves are as follows y_1 = a sin kx cos omega tand y_2 = a sin (omega t - kx). The phase difference between two points x_1 = (pi)/(3k) and x_2 = (3pi)/(2k) are phi_1and phi_2respectively for the two waves . The ratio phi_1/phi_2 is |
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