Question

What is the frequency of a wave with a speed of 28.2 m/s and a wavelength of 12.2 m?

Answer 1

We can find the frequency of the wave from the wave speed formula:

$$v=f\lambda,$$ $$f=\dfrac{v}{\lambda}=\dfrac{28.2\ \dfrac{m}{s}}{12.2\ m}=2.3\ Hz.$$

Answer:

$f=2.3\ Hz.$