Dried fruit used in making a musical instrument is

What kind of musical instrument is a sitar?

A stretched string is used in musical instruments because

A stretched string is used in musical instruments because

Why we use air columns in musical instruments ?

A stretch string can be used as a musical instrument. What is the fundamental frequency of a stretched string?

Which of the following is used for making optical instruments

What is music ? Name the various types of vibrating objects used in different kinds of musical instruments.