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Stationary or Standing Waves.
Stationary or Standing Waves.
A wave and its reflection or waves travelling in opposite direction meet and pass through one another.
A wave and its reflection or waves travelling in opposite direction meet and pass through one another.
The waves must have the same wavelength or frequency.
The waves must have the same wavelength or frequency.
A string has a series of natural frequencies corresponding to a number of half wavelengths.
A string has a series of natural frequencies corresponding to a number of half wavelengths.
A stationary wave is produced only when the frequency of the vibration generator produces waves of those wavelengths.
A stationary wave is produced only when the frequency of the vibration generator produces waves of those wavelengths.
A node or nodes forms − these are points of minimum or no disturbance.
A node or nodes forms − these are points of minimum or no disturbance.
Antinodes form − points of maximum amplitude
Antinodes form − points of maximum amplitude
The nodes and antinodes form due to superposition.
The nodes and antinodes form due to superposition.
Nodes form because two waves with 180° phase difference cancel one another - destructive interference .
Nodes form because two waves with 180° phase difference cancel one another - destructive interference .
Antinodes form due to waves being in phase therefore reinforcement or constructive interference occurs.
Antinodes form due to waves being in phase therefore reinforcement or constructive interference occurs.
Energy is not transferred along in a standing wave.
Energy is not transferred along in a standing wave.
Understanding standing waves in musical instruments.
Understanding standing waves in musical instruments.
Calculating the Velocity of a wave on a string.
Calculating the Velocity of a wave on a string.
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