Two Nodes and One Antinode
A standing wave with two nodes and one antinode is produced on a wave demonstrator. A meter stick is used to measure wavelength.
There is no narration for this video.
When waves with the same frequency, but traveling in opposite directions, pass each other they can interfere to create standing waves, so-called because the resulting wave does not appear to move. Ideally, a standing wave oscillates in a stationary envelope, with nodes, points at which wave displacement is zero, and antinodes, points where wave displacement is maximal.
In this and the following seven movies standing waves are generated in a 0.90 m short-rod demonstrator by a mechanical wave driver coupled to the left-most rod of the demonstrator; the right-hand end of the wave demonstrator is held stationary by a clamp. This arrangement approximates the situation in which both ends of the wave demonstrator are stationary.
With the wave driver frequency set at 0.883 Hz, a standing wave with two nodes and one antinode is generated.
These ChemEd DL Resource Groups Include This Video
Standing Waves on a Wave Demonstrator (with frequency)
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