PH-2249

Wave speed

Physics · Secondary 4 · Easy · Wave speed

A water wave on a pond has a frequency of

2.0\,\text{Hz}

and a wavelength of

1.5\,\text{m}

. What is the speed of the wave?

0.75 $\text{m s}^{-1}$
1.3 $\text{m s}^{-1}$
3.0 $\text{m s}^{-1}$
4.5 $\text{m s}^{-1}$

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