Which one of the following does not represent a travelling wave � – McqOptions

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1.	Which one of the following does not represent a travelling wave [NCERT 1984]
A.	\[y=\sin (x-v\,t)\]
B.	\[y={{y}_{m}}\sin k(x+v\,t)\]
C.	\[y={{y}_{m}}\log (x-v\,t)\]
D.	\[y=f({{x}^{2}}-v\,{{t}^{2}})\]
Answer» E.

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