A water wave travels at a speed of $2.0\,\text{m s}^{-1}$. Every $10\,\text{s}$, $4.0$ full waves pass a fixed point. What is the wavelength of this wave?
- A$0.50\,\text{m}$
- B$0.80\,\text{m}$
- C$5.0\,\text{m}$
- D$8.0\,\text{m}$
Physics 0625 · IGCSE · General properties of waves