question_answer

A transverse wave is represented by the equation \[y=yo\,\sin \,\frac{2\pi }{\lambda }\]\[(ut=x)\] for what value  of \[\lambda \] is the particle velocity equal to two times the wave velocity?

A) \[\lambda =\pi yo\]                       

B) \[\lambda =\frac{\pi yo}{4.}\]

C) \[\lambda =4\pi yo\]                                     

D) \[\lambda =2\pi yo\]