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Question: Answered & Verified by Expert
In a pipe closed at one end, air column is vibrating in the fourth overtone, so the vibrating air column has
PhysicsWaves and SoundMHT CETMHT CET 2022 (06 Aug Shift 1)
Options:
  • A 4 nodes and 5 antinodes.
  • B 5 nodes and 4 antinodes.
  • C 5 nodes and 5 antinodes.
  • D 4 nodes and 4 antinodes.
Solution:
2329 Upvotes Verified Answer
The correct answer is: 5 nodes and 5 antinodes.
For a pipe with one closed end:
Fundamental mode has one node and one antinode.
First overtone has two nodes and two antinodes.
Second overtone has three nodes and three antinodes.
So, the fifth overtone has five nodes and five antinodes.

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