Which pipe in a pipe organ makes the lowest pitched sound?

Question

Question 5 options:

the oldest pipe

the shortest and thinnest pipe

the heaviest pipe

the longest and thickest pipe

Answer 1

In a pipe organ, the pipe that makes the lowest pitched sound is the longest and thickest pipe. Longer pipes produce lower pitches due to their greater length, while thicker pipes can also contribute to a richer sound.