What is ripple tank how does it woek

A ripple tank is a shallow glass tank of water used to demonstrate the basic properties of waves. It is a specialized form of a wave tank. The ripple tank is usually illuminated from above, so that the light shines through the water.

A ripple tank is a transparent shallow tray of water with a light shining down through it onto a white card below. The light allows you to see the motion of the ripples created on the water's surface more easily. Ripples can be made by hand but to generate regular ripples it is better to use a motor

Explanation:

How does a ripple tank work?

The ripple tank is usually illuminated from above, so that the light shines through the water ... The ripples on the water show up as shadows on the screen underneath the tank. All the basic properties of waves, including reflection, refraction, interference and diffraction, can be demonstrated.