![]() a) Tube with one open end ("closed tube"): fundamental. ![]() Then formulate equations that relate the wavelength i and frequency f to the length L of the pipe. Sketch the standing wave pattern in each of the following situations to show the regions of greatest and least air pressure variations (pressure antinodes and nodes, which are different from displacement antinodes and nodes). Problem Consider a pipe that is closed at one end. When representing standing waves in air, displacement nodes correspond to pressure antinodes (places of greatest pressure variation), and displacement antinodes correspond to pressure nodes (places of least pressure variation). ![]() ![]() Pre-Lab for LAB#11 Waves in air may be represented by oscillations of air molecules or of air pressure. ![]()
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