The relationship between the speed and wavelength of the wave in the deep and shallow region is given by the formula below.
![](http://spmphysics.blog.onlinetuition.com.my/wp-content/uploads/sites/4/2020/02/Waves-formula9.svg)
vd = speed of wave in the deep region
λd = speed of wave in the deep region
vs = speed of wave in the shallow region
λs = speed of wave in the shallow region
how to read λ?
lamda