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1. |
A wave motion has the function \[y={{a}_{0}}\sin (\omega \,t-kx)\]. The graph in figure shows how the displacement y at a fixed point varies with time t. Which one of the labelled points shows a displacement equal to that at the position \[x=\frac{\pi }{2k}\] at time t = 0 |
A. | P |
B. | Q |
C. | \[2000\,\,{AA}\] |
D. | S |
Answer» C. \[2000\,\,{AA}\] | |