Identify the part which vibrates to produce sound in the following instruments.(a) Dholak (b) Sitar (c) Flute
(a) Dholak is a musical instrument. It consists of a stretched membrane called its head. When the head is beaten gently the stretched membrane sets into vibration. Since sound is produced when an object vibrates, the dholak produces a sound.
(b) Sitar is a musical instrument. It consists of stretched strings. When a string is plucked, it sets into vibration. Since sound is produced when an object vibrates, the sitar produces a sound.
(c) Flute is a hollow pipe. When air is blown over its mouth, the air inside the pipe is set into vibration. As a result a pleasant
sound is produced.