A travelling harmonic wave is represented by the equation $y(x, t) = 10^{-3}\,sin\,(50t + 2x)$, where $x$ and $y$ are in meter and $t$ is in seconds. Which of the following is a correct statement about the wave?
JEE MAIN 2019, Medium
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$y=10^{-3} \sin (50 t+2 x)$
Wave is travelling along negative $X-axis$
Wave speed $=\frac{\omega}{\mathrm{k}}=\frac{50}{2}=25 \mathrm{m} / \mathrm{s}$
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