18. Which two points on the wave shown in the diagram below are in phase with each other? A A. A and B C. B and C B D B. A and E D. B and D
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We are given a wave in a figure. We have to find 2 points which are in phase with each other. Phase is important aspect of wave or important characteristics of wave. It is dimensionless. It is position of any point when wrt time is considered.
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