How is the pressure a minimum when the displacement is 0 (it\'s at a node). I do

Question

How is the pressure a minimum when the displacement is 0 (it's at a node). I don't understand why it changes, shouldnt pressure always be a maximum at the displacement nodes and a minimum at the antinodes?

This time sequence of graphs and pictures illustrates the m = 2 standing sound wave in a closed-closed tube of air, of the tube. Now the pressure is maximum at the ends, minimum in the center. Try visualize the air molecules sloshing back and forth this way. combins these illustrations into a single picture showing where the molecules are oscillating (antinodes) and where they're not (nodes). A graph of the displace

Explanation / Answer

the pressure is minimum when the particles are least displaced from their positions because the more the pressure,the more force will be exerted on the particles and the more displaced they will be.since the box is a closed one so the particles collide with the wall and an antinode becomes node and node becomes antinode respectively.

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