the time period of a sound wave travelling in a medium is T. if at a given instance (t=o) a particular region in the medium has minimum density. the density of this region will be maximum and minimum respectively again at......t=T and t=2T respectively....true or false

Time period is time taken by one complete oscillation to occur. Now, as the wave starts from compression, at t = 0 the density of the medium would be high while at t = T/2 there will be a rarefaction and the density would be the lowest. Now again at t = T the density would be highest and so on. such that both at T and 2T there will be compression wave and thus medium would have maximum density.

Thus, the above given statement is false.

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