Quincke's trombone
Experiment no.: 5.8.2
A sound wave passes along two paths, one of fixed length and the other of variable length. The two paths join again and the wave interferes with itself. The intensity is measured as a function of the difference in the path.
Comment: The video shows a slightly different set-up.
Comment: The video shows a slightly different set-up.
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Experimental set-up
Two waves meet
Superposition principle
Path difference
Interference