Which of the following statements about the 3rd overtone of a vibrating air column of an open pipe is correct? It has?

A. 4 nodes
B. 5 nodes
C. 3 antinodes
D. 4 antinodes

Correct Answer: Option A

A. 4 nodes

Explanation

The 3rd overtone for an open pipe has 5 antinodes and 4 nodes.