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JAMB Physics 1998 Question 26

Question 26

Sound

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

  1. A.the closed end
  2. B.the open end
  3. C.the middle
  4. D.all the parts of the pipe
Show the answer and explanation

Answer: B (the open end)

Explanation

Air is free to move at the open end, so there is always an antinode there; the closed end is always a node.