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A 70.0 cm long string is vibrating in such a manner that it forms a standing wave with three antinodes. Third harmonic
What is antinodes?
The maximum wave amplitude is produced at the , which is the site of constructive interference of the incoming and reflected waves. The point at which destructive interference reduces the wave's amplitude to zero is known as a node. It should be simple to see that the antinodes have the highest vertical velocity, whilst the nodes have a strictly horizontal velocity. An antinode forms on a vertical border because the horizontal velocity component disappears there, whereas nodes are typically seen outside of solid bounds. The size and depth of a bay or estuary have a significant impact on the standing wave's characteristics. The center and two ends of a totally closed basin are referred to as nodes and antinodes, respectively.
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