basin contains water

A tilted basin contains water. Water is dripped at a constant rate into the basin as shown in the diagram below.

Sebuah besen berisi air diletakkan condong. Air dititiskan pada kadar sekata ke dalam besen itu seperti ditunjukkan pada gambar rajah di bawah.


Which pattern of the wavefronts will be observed in the basin?
Corak muka gelombang yang manakah akan diperhatikan dalam besen itu?

Draw the refracted wavefront
deep water -----> shallow area