Physics (AS & A Level) · Oct / Nov 2019 · Paper 11 · Question 2

The speed of a wave in deep water depends on its wavelength L and the acceleration of free fall g. What is a possible equation for the speed v of the wave?

1. Av = \sqrt{\frac{gL}{2\pi}}
2. Bv = \frac{gL}{4\pi^2}
3. Cv = 2\pi\sqrt{\frac{g}{L}}
4. Dv = \frac{2\pi g}{L}

As printed in the paper