A transverse wave in a medium is given by $$y=A \sin 2(\omega t-k x)$$. It is found that the magnitude of the maximum velocity of particles in the medium is equal to that of the wave velocity. What is the value of $$A$$ ?
- A$$\frac{2 \lambda}{\pi}$$
- B$$\frac{\lambda}{\pi}$$
- C$$\frac{\lambda}{2 \pi}$$
- D$$\frac{\lambda}{4 \pi}$$
✓ Correct answer: D
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