A practical fact that will be used several times later is that the fluid motion for deep-water waves is negligible from half a wavelength λ down in the fluid. This results from the exponential factor exp(kz) = exp(2πz/λ)
A practical fact that will be used several timeslater is that the fluid motion for deep-water wavesis negligible from half a wavelength λ down inthe fluid. This results from the exponential factorexp(kz) = exp(2πz/λ)