The equation of a progressive wave is $y = 8 \sin \left[ \pi \left( \frac{t}{10} - \frac{x}{4} \right) +…
The equation of a progressive wave is $y = 8 \sin \left[ \pi \left( \frac{t}{10} - \frac{x}{4} \right) + \frac{\pi}{3} \right]$. The wavelength of the wave is
8 m
4 m
2 m
10 m
Solution
From the given equation, $k = \frac{2\pi}{\lambda} = \frac{\pi}{4} \Rightarrow \lambda = 8\text{ m}$