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Q. |
If wave y=Acos(ωt+kx) Is moving along x- axis, the shapes of a pulse at t=0 and t=2s. |
A. | are different |
B. | are same |
C. | may not be the same |
D. | unpredictable |
Answer» B. are same | |
Explanation: the shapes of y-x graph remains the same at t=0 and t=2s. |
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