The transverse displacement at position x and time t in a string due to a travelling wave is given by y(x, t)=3.0 ( x-4 t) cm , where x is in centimeters and t is in seconds. Which of the following statements is wrong?

Options

1. AMaximum value of transverse velocity of any point is 12 ~cm / s and wavelength is 0.2 m .
2. BSpeed of wave propagation in the +ve x -direction is 4 ~cm / s .
3. CTransverse velocity at t=0 and x=0.25 ~cm is 6 2 ~cm / s .
4. DMaximum value of transverse acceleration of any point is 48 ^2 ~cm / s ^2 .