STRING INSTRUMENTS AND PERCUSSION INSTRUMENTS

 String instruments

Music instruments that generate sound by the vibrations of a stretched string such as the violin, sitar, guitar, banjo, and cello are known as string instruments.

the frequency of sound generated by stringed instruments depends on the following factors.

1.length of the vibrating strings

2. tension of the string or the extent that the string is stretched 

3.mass of a unit length of the string

 Percussion instruments

instruments generating sound by the vibration of stretched membrane, mental rods or metal plates are known as percussion instruments . such instruments have to be tapped in order to generate sounds.

 tabla. rabana , dawula , udakki, and thammattama are examples for percussion instruments .