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A wave travelling along the x-axis is de...

A wave travelling along the x-axis is described by the equation `y(x,t) = 0.005cos (alpha x - beta t)` . If the 1wavelength and the time period of the wave are 0.08m and 2.0s, respectively, then `alpha/beta = n xx 5`, then the value of n is____(where `alpha, beta` are in appropriate units).

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