Hand-drawn scribble-style feature image of an interactive standing wave simulator showing a string fixed at both ends with blue wave curves, red nodes, and yellow antinodes. The interface includes harmonic controls, frequency and wave height sliders, result cards for nodes, antinodes, fundamental frequency, and sounding tone, plus a quick observation panel explaining the 3rd harmonic.
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Use this standing wave visualizer to select harmonics, adjust the wave, identify nodes and antinodes, and hear the corresponding tone.

How to use the standing wave visualizer

1

Choose a harmonic

Select a button from 1 through 6. The string pattern and the node, antinode, and tone readouts update immediately.

2

Adjust the controls

Change the fundamental frequency, wave height, or visual speed. Each control is labeled with the part of the tool it affects.

3

Observe the string

Use the red node markers and yellow antinode markers. Pause and resume the motion whenever you need a closer look.

4

Listen to the tone

Press Play sound to hear the displayed sounding frequency. Press Stop sound before leaving the activity.

Sound tip: Begin with your device volume low and raise it only to a comfortable level.

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