Physics - Wave on String Question with Solution | TestHub

The end correction $e$ for an air column in a tube of circular cross-section is given by $e=0.6r$, where $r$ is the radius of the tube.

From this relation, the end correction is directly proportional to the radius of the tube and is independent of its length.

Therefore, if the tube is widened, its radius $r$ increases, which results in a larger end correction.

Answer: widened.