The equation of a progressive wave is given by `y = 0.5 sin (20 x - 400 t)` where xand y are in metre and tis in second. The velocity of the wave is - Sarthaks eConnect

The equation of a progressive wave is given by `y = 0.5 sin (20 x - 400 t)` where xand y are in metre and tis in second. The velocity of the wave is
A. `10m//s`
B. `20 m//s`
C. `200 m//s`
D. `400 m//s`

The equation of a progressive wave is given by `y = 0.5 sin (20 x - 400 t)` where xand y are in metre and tis in second. The velocity of the wave is

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