In a closed organ pipe producing a musical note, an antinode will always be produced at

Assessment: JAMB UTME - Physics - 1998 Subject: Physics

Question 1 Report

In a closed organ pipe producing a musical note, an antinode will always be produced at
Answer Details
In a closed organ pipe, the air column is closed at one end, and open at the other. When a sound wave is produced, it travels down the length of the pipe and is reflected at the closed end. This reflection causes a standing wave pattern to form within the pipe, with points of maximum vibration called antinodes and points of no vibration called nodes. Since the air column at the closed end is prevented from moving, it creates a node at that point. Therefore, the antinode will always be produced at the open end of a closed organ pipe producing a musical note. This is where the air column is free to vibrate, resulting in maximum displacement and maximum amplitude of the sound wave. So, the correct answer is: "the open end."

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