Question

Which one of the following does not
represent a travelling wave
1) y = sin(x - vt)
2) y = ymsin k(x + vt)
3) y = ym log(x - vt)
4) y = f(x^2 -vt^2)
​

Answer 1

Answer:

4

Explanation:

y=f(x^2-vt^2)

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