The physics behind the jal tarang is based on the principle of standing waves. When a bowl of water is struck, the water vibrates and creates a wave that reflects off of the surface of the water. The wave then bounces back and forth between the surface of the water and the bottom of the bowl, creating a standing wave. The frequency of the standing wave depends on the length of the water column.
The shorter the water column, the higher the frequency of the standing wave and the higher the pitch of the note. Conversely, the longer the water column, the lower the frequency of the standing wave and the lower the pitch of the note.
By varying the amount of water in each bowl, a jal tarang player can create a variety of musical notes. The bowls are typically arranged in a semicircle in front of the player, and the player uses a pair of mallets to strike the bowls.
Jal tarang is a traditional Indian musical instrument that has been used for centuries. It is a beautiful and versatile instrument that can be used to create a variety of music genres.