00:09:00
Standing waves
Reflecting waves gives standing waves, which can be resonances. Standing waves on strings and in pipes and plates.
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00:10:00
The Doppler effect
Moving either source or receiver produces a frequency shift called the Doppler effect, which we measure and analyse.
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00:06:00
Travelling waves II
The wave equation and its physical origin. Power in a wave and its relation to intensity in radiation.
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00:07:00
Travelling waves I
In an extended medium, inertia and a restoring force can lead to waves, which reflect at boundaries, either erect or inverted.
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00:07:00