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1. |
A wave y=asin(ωt-kx), on a string meets with another wave producing a node at x = 0. Then, the equation of the unknown wave is? |
A. | y=asin(ωt+kx) |
B. | y=-asin(ωt+kx) |
C. | y=asin(ωt-kx) |
D. | y=-asin(ωt-kx) |
Answer» C. y=asin(ωt-kx) | |