Define Standing Waves in Strings - QS Study
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In musical instruments like sitar, violin, etc. sound is produced due to the vibrations of the stretched strings. Here, we shall discuss the different modes of vibrations of a string which is rigidly fixed at both ends.

The strings in the violin, piano and like this are stretched strongly and pulsate so rapid that it is impossible to see what is going on. When a string under tension is set into vibration, a transverse progressive wave moves towards the end of the wire and gets reflected. Thus Standing Waves are formed.