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(B) When a string is fixed at both ends (rigid supports),the displacement at these points must be zero because they cannot move. Points with zero disp

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Nodes at both ends and at least one antinode in between

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(B) When a string is fixed at both ends (rigid supports),the displacement at these points must be zero because they cannot move. Points with zero displacement are called nodes. Therefore,nodes are formed at both ends. For the string to vibrate,there must be at least one point of maximum displacement between the two fixed ends,which is called an antinode. Thus,the simplest mode of vibration (the fundamental mode) consists of nodes at both ends and at least one antinode in between.

When a string is stretched between two rigid supports,kept under a certain tension,and vibrated,what is the nature of the standing wave formed?

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