There are many different types of string instruments, including:
Violins
The violin is one of the most popular and well-known string instruments. It has a high, clear sound and is used in a wide variety of musical genres, including classical, folk, and pop music.
Violas
The viola is similar to the violin, but it is larger and has a lower pitch. It is often used in orchestras and chamber music.
Cellos
The cello is a large string instrument that is played by sitting down with the instrument between the legs. It has a deep, rich sound and is used in a variety of musical genres, including classical, jazz, and rock music.
Double basses
The double bass is the largest and lowest-pitched string instrument. It is used in orchestras and jazz bands.
Other string instruments
There are many other string instruments, including the guitar, banjo, mandolin, and ukulele. Each instrument has its own unique sound and is used in a variety of musical genres.