How to get an interference pattern?

bystudin | October 25, 2020 | Education

We will hang it above the water surface on the old wooden rod, with two nails driven into it. With vertical vibrations of the rod with a period T, the nails, simultaneously touching the water at points O1 and O2, cause periodic displacements of water particles in them. As a result, waves from two sources spread over the water surface. When these waves are superimposed on the water surface, a stable oscillation pattern is formed, which is called interference.

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